Planting zones by state
Pennsylvania Planting Zones
Pennsylvania runs from zone 5b to zone 8a on the 2023 USDA map. Zone 6b is the most common, covering 36% of the state's ZIP codes. Philadelphia is 7b, Pittsburgh is 6b and Erie is 7a.
Zones across Pennsylvania
| Zone | Average coldest night | Share of Pennsylvania ZIP codes |
|---|---|---|
| 5b | −15 to −10°F | 3% |
| 6a | −10 to −5°F | 24% |
| 6b | −5 to 0°F | 36% |
| 7a | 0 to 5°F | 29% |
| 7b | 5 to 10°F | 7% |
| 8a | 10 to 15°F | under 1% |
Planting zone for every city and town in Pennsylvania
Each Pennsylvania town uses the ZIP code at its center. Big towns can cross into the next half-zone, so look up your own ZIP if you're near a line.
| City | Zone | Average coldest night |
|---|---|---|
| Abbottstown | 7a | 0 to 5°F |
| Adamsburg | 6b | −5 to 0°F |
| Adamstown | 7a | 0 to 5°F |
| Addison | 6a | −10 to −5°F |
| Akron | 7a | 0 to 5°F |
| Alba | 6a | −10 to −5°F |
| Albion | 6a | −10 to −5°F |
| Alburtis | 7a | 0 to 5°F |
| Aldan | 7b | 5 to 10°F |
| Alexandria | 6b | −5 to 0°F |
| Aliquippa | 6b | −5 to 0°F |
| Allenport | 6b | −5 to 0°F |
| Altoona | 6b | −5 to 0°F |
| Ambler | 7b | 5 to 10°F |
| Ambridge | 6b | −5 to 0°F |
| Apollo | 6b | −5 to 0°F |
| Archbald | 6a | −10 to −5°F |
| Arendtsville | 7a | 0 to 5°F |
| Armagh | 6b | −5 to 0°F |
| Arnold | 6b | −5 to 0°F |
| Arona | 6b | −5 to 0°F |
| Ashland | 6b | −5 to 0°F |
| Ashley | 6b | −5 to 0°F |
| Ashville | 6b | −5 to 0°F |
| Aspinwall | 6b | −5 to 0°F |
| Atglen | 7a | 0 to 5°F |
| Athens | 6a | −10 to −5°F |
| Atwood | 6a | −10 to −5°F |
| Auburn | 7a | 0 to 5°F |
| Austin | 5b | −15 to −10°F |
| Avalon | 6b | −5 to 0°F |
| Avis | 6b | −5 to 0°F |
| Avoca | 6b | −5 to 0°F |
| Avondale | 7a | 0 to 5°F |
| Avonmore | 6b | −5 to 0°F |
| Baden | 6b | −5 to 0°F |
| Baldwin | 6b | −5 to 0°F |
| Bally | 7a | 0 to 5°F |
| Bangor | 7a | 0 to 5°F |
| Barkeyville | 6a | −10 to −5°F |
| Bath | 6b | −5 to 0°F |
| Beallsville | 6b | −5 to 0°F |
| Bear Creek Village | 6a | −10 to −5°F |
| Bear Lake | 5b | −15 to −10°F |
| Beaver | 6b | −5 to 0°F |
| Beaver Falls | 6b | −5 to 0°F |
| Beaver Meadows | 6b | −5 to 0°F |
| Beavertown | 6b | −5 to 0°F |
| Bechtelsville | 7a | 0 to 5°F |
| Bedford | 6b | −5 to 0°F |
| Beech Creek | 6b | −5 to 0°F |
| Bell Acres | 6b | −5 to 0°F |
| Belle Vernon | 6b | −5 to 0°F |
| Bellefonte | 6b | −5 to 0°F |
| Bellevue | 6b | −5 to 0°F |
| Bellwood | 6b | −5 to 0°F |
| Ben Avon | 6b | −5 to 0°F |
| Ben Avon Heights | 6b | −5 to 0°F |
| Bendersville | 7a | 0 to 5°F |
| Benson | 6a | −10 to −5°F |
| Bentleyville | 6b | −5 to 0°F |
| Benton | 6b | −5 to 0°F |
| Berlin | 6a | −10 to −5°F |
| Bernville | 7a | 0 to 5°F |
| Berrysburg | 6b | −5 to 0°F |
| Berwick | 6b | −5 to 0°F |
| Bessemer | 6a | −10 to −5°F |
| Bethany | 6a | −10 to −5°F |
| Bethel Park | 6b | −5 to 0°F |
| Bethlehem | 7a | 0 to 5°F |
| Big Beaver | 6b | −5 to 0°F |
| Big Run | 6a | −10 to −5°F |
| Biglerville | 7a | 0 to 5°F |
| Birdsboro | 7a | 0 to 5°F |
| Birmingham | 6b | −5 to 0°F |
| Blain | 7a | 0 to 5°F |
| Blairsville | 6b | −5 to 0°F |
| Blakely | 6b | −5 to 0°F |
| Blawnox | 6b | −5 to 0°F |
| Bloomfield | 7a | 0 to 5°F |
| Blooming Valley | 6a | −10 to −5°F |
| Bloomsburg | 6b | −5 to 0°F |
| Blossburg | 6a | −10 to −5°F |
| Bolivar | 6b | −5 to 0°F |
| Bonneauville | 7a | 0 to 5°F |
| Boswell | 6a | −10 to −5°F |
| Bowmanstown | 6b | −5 to 0°F |
| Boyertown | 7a | 0 to 5°F |
| Brackenridge | 6b | −5 to 0°F |
| Braddock | 6b | −5 to 0°F |
| Braddock Hills | 6b | −5 to 0°F |
| Bradford | 5b | −15 to −10°F |
| Bradford Woods | 6b | −5 to 0°F |
| Brentwood | 6b | −5 to 0°F |
| Briar Creek | 6b | −5 to 0°F |
| Bridgeport | 7b | 5 to 10°F |
| Bridgeville | 6b | −5 to 0°F |
| Bridgewater | 6b | −5 to 0°F |
| Brisbin | 6a | −10 to −5°F |
| Bristol | 7b | 5 to 10°F |
| Broad Top City | 6b | −5 to 0°F |
| Brockway | 6a | −10 to −5°F |
| Brookhaven | 7b | 5 to 10°F |
| Brookville | 6a | −10 to −5°F |
| Brownstown | 6b | −5 to 0°F |
| Brownsville | 6b | −5 to 0°F |
| Bruin | 6a | −10 to −5°F |
| Bryn Athyn | 7b | 5 to 10°F |
| Burgettstown | 6b | −5 to 0°F |
| Burlington | 6a | −10 to −5°F |
| Burnham | 7a | 0 to 5°F |
| Burnside | 6a | −10 to −5°F |
| Butler | 6b | −5 to 0°F |
| California | 6b | −5 to 0°F |
| Callensburg | 6a | −10 to −5°F |
| Callimont | 6a | −10 to −5°F |
| Cambridge Springs | 6a | −10 to −5°F |
| Camp Hill | 7a | 0 to 5°F |
| Canonsburg | 6b | −5 to 0°F |
| Canton | 6a | −10 to −5°F |
| Carbondale | 6a | −10 to −5°F |
| Carlisle | 7a | 0 to 5°F |
| Carmichaels | 6b | −5 to 0°F |
| Carnegie | 6b | −5 to 0°F |
| Carroll Valley | 7a | 0 to 5°F |
| Carrolltown | 6a | −10 to −5°F |
| Cassandra | 6a | −10 to −5°F |
| Casselman | 6a | −10 to −5°F |
| Cassville | 6b | −5 to 0°F |
| Castle Shannon | 6b | −5 to 0°F |
| Catasauqua | 7a | 0 to 5°F |
| Catawissa | 6b | −5 to 0°F |
| Centerport | 7a | 0 to 5°F |
| Centerville | 6b | −5 to 0°F |
| Central City | 6a | −10 to −5°F |
| Centralia | 6b | −5 to 0°F |
| Centre Hall | 6b | −5 to 0°F |
| Chalfant | 6b | −5 to 0°F |
| Chalfont | 7a | 0 to 5°F |
| Chambersburg | 7a | 0 to 5°F |
| Chapman | 6b | −5 to 0°F |
| Charleroi | 6b | −5 to 0°F |
| Cherry Tree | 6a | −10 to −5°F |
| Cherry Valley | 6a | −10 to −5°F |
| Chest Springs | 6a | −10 to −5°F |
| Chester | 7b | 5 to 10°F |
| Chester Heights | 7b | 5 to 10°F |
| Chester Hill | 6a | −10 to −5°F |
| Cheswick | 6b | −5 to 0°F |
| Chicora | 6a | −10 to −5°F |
| Christiana | 7a | 0 to 5°F |
| Churchill | 6b | −5 to 0°F |
| Clairton | 6b | −5 to 0°F |
| Clarendon | 5b | −15 to −10°F |
| Clarion | 6a | −10 to −5°F |
| Clark | 6a | −10 to −5°F |
| Clarks Green | 6a | −10 to −5°F |
| Clarks Summit | 6a | −10 to −5°F |
| Clarksville | 6b | −5 to 0°F |
| Claysville | 6b | −5 to 0°F |
| Clearfield | 6a | −10 to −5°F |
| Cleona | 7a | 0 to 5°F |
| Clifton Heights | 7b | 5 to 10°F |
| Clintonville | 6a | −10 to −5°F |
| Clymer | 6a | −10 to −5°F |
| Coal Center | 6b | −5 to 0°F |
| Coaldale | 6b | −5 to 0°F |
| Coalmont | 6b | −5 to 0°F |
| Coalport | 6a | −10 to −5°F |
| Coatesville | 7a | 0 to 5°F |
| Cochranton | 6a | −10 to −5°F |
| Cokeburg | 6b | −5 to 0°F |
| Collegeville | 7a | 0 to 5°F |
| Collingdale | 7b | 5 to 10°F |
| Columbia | 7a | 0 to 5°F |
| Colwyn | 7b | 5 to 10°F |
| Confluence | 6a | −10 to −5°F |
| Conneaut Lake | 6a | −10 to −5°F |
| Conneautville | 6a | −10 to −5°F |
| Connellsville | 6b | −5 to 0°F |
| Connoquenessing | 6b | −5 to 0°F |
| Conshohocken | 7b | 5 to 10°F |
| Conway | 6b | −5 to 0°F |
| Conyngham | 6b | −5 to 0°F |
| Coopersburg | 7a | 0 to 5°F |
| Cooperstown | 6a | −10 to −5°F |
| Coplay | 7a | 0 to 5°F |
| Coraopolis | 6b | −5 to 0°F |
| Cornwall | 7a | 0 to 5°F |
| Corry | 6a | −10 to −5°F |
| Corsica | 6a | −10 to −5°F |
| Coudersport | 5b | −15 to −10°F |
| Courtdale | 6b | −5 to 0°F |
| Crafton | 6b | −5 to 0°F |
| Cranesville | 6a | −10 to −5°F |
| Cresson | 6a | −10 to −5°F |
| Cressona | 7a | 0 to 5°F |
| Cross Roads | 7a | 0 to 5°F |
| Curwensville | 6a | −10 to −5°F |
| Daisytown | 6b | −5 to 0°F |
| Dale | 6b | −5 to 0°F |
| Dallas | 6a | −10 to −5°F |
| Dallastown | 7a | 0 to 5°F |
| Dalton | 6a | −10 to −5°F |
| Danville | 6b | −5 to 0°F |
| Darby | 7b | 5 to 10°F |
| Darlington | 6b | −5 to 0°F |
| Dauphin | 7a | 0 to 5°F |
| Dawson | 6b | −5 to 0°F |
| Dayton | 6a | −10 to −5°F |
| Deemston | 6b | −5 to 0°F |
| Deer Lake | 7a | 0 to 5°F |
| Delaware Water Gap | 6b | −5 to 0°F |
| Delmont | 6b | −5 to 0°F |
| Delta | 7a | 0 to 5°F |
| Denver | 7a | 0 to 5°F |
| Derry | 6b | −5 to 0°F |
| Dickson City | 6b | −5 to 0°F |
| Dillsburg | 7a | 0 to 5°F |
| Donegal | 6a | −10 to −5°F |
| Donora | 6b | −5 to 0°F |
| Dormont | 6b | −5 to 0°F |
| Dover | 7a | 0 to 5°F |
| Downingtown | 7a | 0 to 5°F |
| Doylestown | 7a | 0 to 5°F |
| Dravosburg | 6b | −5 to 0°F |
| Driftwood | 6a | −10 to −5°F |
| Dublin | 7a | 0 to 5°F |
| DuBois | 6a | −10 to −5°F |
| Duboistown | 6b | −5 to 0°F |
| Dudley | 6b | −5 to 0°F |
| Dunbar | 6a | −10 to −5°F |
| Duncannon | 7a | 0 to 5°F |
| Duncansville | 6b | −5 to 0°F |
| Dunlevy | 6b | −5 to 0°F |
| Dunmore | 6b | −5 to 0°F |
| Dupont | 6b | −5 to 0°F |
| Duquesne | 6b | −5 to 0°F |
| Duryea | 7a | 0 to 5°F |
| Dushore | 6a | −10 to −5°F |
| Eagles Mere | 6a | −10 to −5°F |
| East Bangor | 7a | 0 to 5°F |
| East Berlin | 7a | 0 to 5°F |
| East Brady | 6b | −5 to 0°F |
| East Butler | 6a | −10 to −5°F |
| East Conemaugh | 6b | −5 to 0°F |
| East Greenville | 7a | 0 to 5°F |
| East Lansdowne | 7b | 5 to 10°F |
| East McKeesport | 6b | −5 to 0°F |
| East Petersburg | 7a | 0 to 5°F |
| East Pittsburgh | 6b | −5 to 0°F |
| East Prospect | 7a | 0 to 5°F |
| East Rochester | 6b | −5 to 0°F |
| East Side | 6a | −10 to −5°F |
| East Stroudsburg | 6b | −5 to 0°F |
| East Washington | 6b | −5 to 0°F |
| Easton | 7a | 0 to 5°F |
| Eastvale | 6b | −5 to 0°F |
| Eau Claire | 6a | −10 to −5°F |
| Ebensburg | 6a | −10 to −5°F |
| Economy | 6b | −5 to 0°F |
| Eddystone | 8a | 10 to 15°F |
| Edgewood | 6b | −5 to 0°F |
| Edgeworth | 7a | 0 to 5°F |
| Edwardsville | 6b | −5 to 0°F |
| Ehrenfeld | 6a | −10 to −5°F |
| Elco | 6b | −5 to 0°F |
| Elderton | 6b | −5 to 0°F |
| Eldred | 5b | −15 to −10°F |
| Elgin | 6a | −10 to −5°F |
| Elizabeth | 6b | −5 to 0°F |
| Elizabethtown | 7a | 0 to 5°F |
| Elizabethville | 6b | −5 to 0°F |
| Elkland | 5b | −15 to −10°F |
| Ellport | 6b | −5 to 0°F |
| Ellsworth | 6b | −5 to 0°F |
| Ellwood City | 6b | −5 to 0°F |
| Elverson | 7a | 0 to 5°F |
| Emlenton | 6a | −10 to −5°F |
| Emmaus | 7a | 0 to 5°F |
| Emporium | 5b | −15 to −10°F |
| Emsworth | 7a | 0 to 5°F |
| Enon Valley | 6a | −10 to −5°F |
| Ephrata | 7a | 0 to 5°F |
| Erie | 7a | 0 to 5°F |
| Etna | 6b | −5 to 0°F |
| Evans City | 6b | −5 to 0°F |
| Everett | 6b | −5 to 0°F |
| Everson | 6b | −5 to 0°F |
| Exeter | 6b | −5 to 0°F |
| Export | 6b | −5 to 0°F |
| Factoryville | 6a | −10 to −5°F |
| Fairchance | 6b | −5 to 0°F |
| Fairfield | 7a | 0 to 5°F |
| Fairview | 6a | −10 to −5°F |
| Falls Creek | 6a | −10 to −5°F |
| Fallston | 6b | −5 to 0°F |
| Farrell | 6a | −10 to −5°F |
| Fawn Grove | 7a | 0 to 5°F |
| Fayette City | 6b | −5 to 0°F |
| Felton | 7a | 0 to 5°F |
| Ferndale | 6b | −5 to 0°F |
| Finleyville | 6b | −5 to 0°F |
| Fleetwood | 7a | 0 to 5°F |
| Folcroft | 7b | 5 to 10°F |
| Forest City | 6a | −10 to −5°F |
| Forest Hills | 6b | −5 to 0°F |
| Forksville | 6a | −10 to −5°F |
| Forty Fort | 6b | −5 to 0°F |
| Fountain Hill | 7a | 0 to 5°F |
| Fox Chapel | 6b | −5 to 0°F |
| Foxburg | 6a | −10 to −5°F |
| Frankfort Springs | 6b | −5 to 0°F |
| Franklin | 6a | −10 to −5°F |
| Franklin Park | 6b | −5 to 0°F |
| Franklintown | 7a | 0 to 5°F |
| Fredonia | 6a | −10 to −5°F |
| Freeburg | 6b | −5 to 0°F |
| Freedom | 6b | −5 to 0°F |
| Freeland | 6a | −10 to −5°F |
| Freemansburg | 7a | 0 to 5°F |
| Freeport | 6b | −5 to 0°F |
| Friendsville | 6a | −10 to −5°F |
| Galeton | 6a | −10 to −5°F |
| Gallitzin | 6a | −10 to −5°F |
| Garrett | 6a | −10 to −5°F |
| Geistown | 6b | −5 to 0°F |
| Georgetown | 6b | −5 to 0°F |
| Gettysburg | 7a | 0 to 5°F |
| Gilberton | 6b | −5 to 0°F |
| Girard | 7a | 0 to 5°F |
| Girardville | 6b | −5 to 0°F |
| Glasgow | 6b | −5 to 0°F |
| Glassport | 6b | −5 to 0°F |
| Glen Campbell | 6a | −10 to −5°F |
| Glen Hope | 6a | −10 to −5°F |
| Glen Osborne | 6b | −5 to 0°F |
| Glen Rock | 7a | 0 to 5°F |
| Glendon | 7a | 0 to 5°F |
| Glenfield | 7a | 0 to 5°F |
| Glenolden | 7b | 5 to 10°F |
| Goldsboro | 7a | 0 to 5°F |
| Gordon | 6b | −5 to 0°F |
| Grampian | 6a | −10 to −5°F |
| Gratz | 6b | −5 to 0°F |
| Great Bend | 6a | −10 to −5°F |
| Green Hills | 6b | −5 to 0°F |
| Green Lane | 7a | 0 to 5°F |
| Green Tree | 6b | −5 to 0°F |
| Greencastle | 7a | 0 to 5°F |
| Greensboro | 6b | −5 to 0°F |
| Greensburg | 6b | −5 to 0°F |
| Greenville | 6a | −10 to −5°F |
| Grove City | 6a | −10 to −5°F |
| Halifax | 7a | 0 to 5°F |
| Hallam | 7a | 0 to 5°F |
| Hallstead | 6a | −10 to −5°F |
| Hamburg | 7a | 0 to 5°F |
| Hanover | 7a | 0 to 5°F |
| Harmony | 6b | −5 to 0°F |
| Harrisburg | 7a | 0 to 5°F |
| Harrisville | 6a | −10 to −5°F |
| Hartleton | 6b | −5 to 0°F |
| Harveys Lake | 6a | −10 to −5°F |
| Hastings | 6a | −10 to −5°F |
| Hatboro | 7a | 0 to 5°F |
| Hatfield | 7a | 0 to 5°F |
| Hawley | 6a | −10 to −5°F |
| Hawthorn | 6a | −10 to −5°F |
| Haysville | 7a | 0 to 5°F |
| Hazleton | 6b | −5 to 0°F |
| Heidelberg | 6b | −5 to 0°F |
| Hellertown | 7a | 0 to 5°F |
| Hermitage | 6a | −10 to −5°F |
| Herndon | 6b | −5 to 0°F |
| Highspire | 7a | 0 to 5°F |
| Hollidaysburg | 6b | −5 to 0°F |
| Homer City | 6b | −5 to 0°F |
| Homestead | 6b | −5 to 0°F |
| Homewood | 6b | −5 to 0°F |
| Honesdale | 6a | −10 to −5°F |
| Honey Brook | 7a | 0 to 5°F |
| Hookstown | 6b | −5 to 0°F |
| Hooversville | 6a | −10 to −5°F |
| Hop Bottom | 6a | −10 to −5°F |
| Hopewell | 6b | −5 to 0°F |
| Houston | 6b | −5 to 0°F |
| Houtzdale | 6a | −10 to −5°F |
| Howard | 6b | −5 to 0°F |
| Hughestown | 7a | 0 to 5°F |
| Hughesville | 6b | −5 to 0°F |
| Hulmeville | 7a | 0 to 5°F |
| Hummelstown | 7a | 0 to 5°F |
| Hunker | 6b | −5 to 0°F |
| Huntingdon | 6b | −5 to 0°F |
| Hyde Park | 6b | −5 to 0°F |
| Hydetown | 6a | −10 to −5°F |
| Hyndman | 6b | −5 to 0°F |
| Indian Lake | 6a | −10 to −5°F |
| Indiana | 6b | −5 to 0°F |
| Industry | 6b | −5 to 0°F |
| Ingram | 7a | 0 to 5°F |
| Irvona | 6a | −10 to −5°F |
| Irwin | 6b | −5 to 0°F |
| Ivyland | 7a | 0 to 5°F |
| Jackson Center | 6a | −10 to −5°F |
| Jacobus | 7a | 0 to 5°F |
| Jamestown | 6a | −10 to −5°F |
| Jeannette | 6b | −5 to 0°F |
| Jeddo | 6b | −5 to 0°F |
| Jefferson | 7a | 0 to 5°F |
| Jefferson Hills | 6b | −5 to 0°F |
| Jenkintown | 7b | 5 to 10°F |
| Jennerstown | 6a | −10 to −5°F |
| Jermyn | 6a | −10 to −5°F |
| Jersey Shore | 6b | −5 to 0°F |
| Jessup | 6a | −10 to −5°F |
| Jim Thorpe | 6b | −5 to 0°F |
| Johnsonburg | 5b | −15 to −10°F |
| Johnstown | 6b | −5 to 0°F |
| Juniata Terrace | 7a | 0 to 5°F |
| Kane | 5b | −15 to −10°F |
| Karns City | 6a | −10 to −5°F |
| Kenhorst | 7a | 0 to 5°F |
| Kennett Square | 7a | 0 to 5°F |
| Kingston | 7a | 0 to 5°F |
| Kistler | 7a | 0 to 5°F |
| Knox | 6a | −10 to −5°F |
| Knoxville | 5b | −15 to −10°F |
| Koppel | 6b | −5 to 0°F |
| Kulpmont | 6b | −5 to 0°F |
| Kutztown | 6b | −5 to 0°F |
| Laceyville | 6a | −10 to −5°F |
| Laflin | 6b | −5 to 0°F |
| Lake City | 7a | 0 to 5°F |
| Lancaster | 7a | 0 to 5°F |
| Landingville | 7a | 0 to 5°F |
| Landisburg | 7a | 0 to 5°F |
| Lanesboro | 5b | −15 to −10°F |
| Langhorne | 7a | 0 to 5°F |
| Langhorne Manor | 7a | 0 to 5°F |
| Lansdale | 7a | 0 to 5°F |
| Lansdowne | 7b | 5 to 10°F |
| Lansford | 6b | −5 to 0°F |
| Laporte | 6a | −10 to −5°F |
| Larksville | 6b | −5 to 0°F |
| Latrobe | 6b | −5 to 0°F |
| Laurel Mountain | 6a | −10 to −5°F |
| Laurel Run | 7a | 0 to 5°F |
| Laureldale | 7a | 0 to 5°F |
| Lawrenceville | 6a | −10 to −5°F |
| Lebanon | 7a | 0 to 5°F |
| Leechburg | 6b | −5 to 0°F |
| Leesport | 7a | 0 to 5°F |
| Leetsdale | 7a | 0 to 5°F |
| Lehighton | 6b | −5 to 0°F |
| Lemoyne | 7a | 0 to 5°F |
| Lenhartsville | 6b | −5 to 0°F |
| LeRaysville | 6a | −10 to −5°F |
| Lewis Run | 5b | −15 to −10°F |
| Lewisberry | 7a | 0 to 5°F |
| Lewisburg | 6b | −5 to 0°F |
| Lewistown | 7a | 0 to 5°F |
| Liberty | 6b | −5 to 0°F |
| Ligonier | 6a | −10 to −5°F |
| Lilly | 6a | −10 to −5°F |
| Lincoln | 6b | −5 to 0°F |
| Linesville | 6a | −10 to −5°F |
| Lititz | 7a | 0 to 5°F |
| Little Meadows | 6a | −10 to −5°F |
| Littlestown | 7a | 0 to 5°F |
| Liverpool | 6b | −5 to 0°F |
| Loganton | 6b | −5 to 0°F |
| Loganville | 7a | 0 to 5°F |
| Long Branch | 6b | −5 to 0°F |
| Lorain | 6b | −5 to 0°F |
| Loretto | 6a | −10 to −5°F |
| Lower Burrell | 6b | −5 to 0°F |
| Luzerne | 6b | −5 to 0°F |
| Lykens | 6b | −5 to 0°F |
| Lyons | 7a | 0 to 5°F |
| Macungie | 7a | 0 to 5°F |
| Madison | 6b | −5 to 0°F |
| Mahaffey | 6a | −10 to −5°F |
| Mahanoy City | 6b | −5 to 0°F |
| Malvern | 7a | 0 to 5°F |
| Manchester | 7a | 0 to 5°F |
| Manheim | 7a | 0 to 5°F |
| Manns Choice | 6b | −5 to 0°F |
| Manor | 6b | −5 to 0°F |
| Mansfield | 6a | −10 to −5°F |
| Mapleton | 7a | 0 to 5°F |
| Marcus Hook | 7b | 5 to 10°F |
| Marianna | 6b | −5 to 0°F |
| Marietta | 7a | 0 to 5°F |
| Marion Center | 6a | −10 to −5°F |
| Marion Heights | 6b | −5 to 0°F |
| Marklesburg | 7a | 0 to 5°F |
| Markleysburg | 6a | −10 to −5°F |
| Mars | 6b | −5 to 0°F |
| Martinsburg | 6b | −5 to 0°F |
| Marysville | 7a | 0 to 5°F |
| Masontown | 6b | −5 to 0°F |
| Matamoras | 6b | −5 to 0°F |
| Mayfield | 6a | −10 to −5°F |
| McAdoo | 6b | −5 to 0°F |
| McClure | 6b | −5 to 0°F |
| McConnellsburg | 7a | 0 to 5°F |
| McDonald | 6b | −5 to 0°F |
| McEwensville | 6b | −5 to 0°F |
| McKean | 6a | −10 to −5°F |
| McKees Rocks | 7a | 0 to 5°F |
| McKeesport | 6b | −5 to 0°F |
| McSherrystown | 6b | −5 to 0°F |
| McVeytown | 7a | 0 to 5°F |
| Meadville | 6a | −10 to −5°F |
| Mechanicsburg | 7a | 0 to 5°F |
| Mechanicsville | 6b | −5 to 0°F |
| Media | 7b | 5 to 10°F |
| Mercer | 6a | −10 to −5°F |
| Mercersburg | 7a | 0 to 5°F |
| Meshoppen | 6a | −10 to −5°F |
| Meyersdale | 6a | −10 to −5°F |
| Middleburg | 6b | −5 to 0°F |
| Middleport | 6b | −5 to 0°F |
| Middletown | 7a | 0 to 5°F |
| Midland | 6b | −5 to 0°F |
| Midway | 6b | −5 to 0°F |
| Mifflin | 7a | 0 to 5°F |
| Mifflinburg | 6b | −5 to 0°F |
| Mifflintown | 7a | 0 to 5°F |
| Milesburg | 6b | −5 to 0°F |
| Milford | 6b | −5 to 0°F |
| Mill Creek | 6b | −5 to 0°F |
| Mill Village | 6a | −10 to −5°F |
| Millbourne | 7b | 5 to 10°F |
| Millersburg | 7a | 0 to 5°F |
| Millerstown | 6b | −5 to 0°F |
| Millersville | 7a | 0 to 5°F |
| Millheim | 6b | −5 to 0°F |
| Millvale | 6b | −5 to 0°F |
| Millville | 6b | −5 to 0°F |
| Milton | 6b | −5 to 0°F |
| Minersville | 6b | −5 to 0°F |
| Modena | 7a | 0 to 5°F |
| Mohnton | 7a | 0 to 5°F |
| Monaca | 6b | −5 to 0°F |
| Monessen | 6b | −5 to 0°F |
| Monongahela | 6b | −5 to 0°F |
| Monroe | 6a | −10 to −5°F |
| Monroeville | 6b | −5 to 0°F |
| Mont Alto | 7a | 0 to 5°F |
| Montgomery | 6b | −5 to 0°F |
| Montoursville | 6b | −5 to 0°F |
| Montrose | 5b | −15 to −10°F |
| Moosic | 6b | −5 to 0°F |
| Morrisville | 7a | 0 to 5°F |
| Morton | 7b | 5 to 10°F |
| Moscow | 6a | −10 to −5°F |
| Mount Carbon | 6b | −5 to 0°F |
| Mount Carmel | 6b | −5 to 0°F |
| Mount Gretna | 7a | 0 to 5°F |
| Mount Holly Springs | 7a | 0 to 5°F |
| Mount Jewett | 5b | −15 to −10°F |
| Mount Joy | 7a | 0 to 5°F |
| Mount Oliver | 6b | −5 to 0°F |
| Mount Penn | 7a | 0 to 5°F |
| Mount Pleasant | 6b | −5 to 0°F |
| Mount Pocono | 6a | −10 to −5°F |
| Mount Union | 7a | 0 to 5°F |
| Mount Wolf | 7a | 0 to 5°F |
| Mountville | 7a | 0 to 5°F |
| Muncy | 6b | −5 to 0°F |
| Munhall | 6b | −5 to 0°F |
| Murrysville | 6b | −5 to 0°F |
| Myerstown | 7a | 0 to 5°F |
| Nanticoke | 6b | −5 to 0°F |
| Nanty-Glo | 6a | −10 to −5°F |
| Narberth | 7b | 5 to 10°F |
| Nazareth | 7a | 0 to 5°F |
| Nescopeck | 6b | −5 to 0°F |
| Nesquehoning | 6b | −5 to 0°F |
| New Albany | 6a | −10 to −5°F |
| New Alexandria | 6b | −5 to 0°F |
| New Baltimore | 6a | −10 to −5°F |
| New Beaver | 6b | −5 to 0°F |
| New Berlin | 6b | −5 to 0°F |
| New Bethlehem | 6a | −10 to −5°F |
| New Brighton | 6b | −5 to 0°F |
| New Britain | 7a | 0 to 5°F |
| New Buffalo | 7a | 0 to 5°F |
| New Castle | 6a | −10 to −5°F |
| New Centerville | 6a | −10 to −5°F |
| New Columbus | 6b | −5 to 0°F |
| New Cumberland | 7a | 0 to 5°F |
| New Eagle | 6b | −5 to 0°F |
| New Florence | 6b | −5 to 0°F |
| New Freedom | 7a | 0 to 5°F |
| New Galilee | 6b | −5 to 0°F |
| New Holland | 7a | 0 to 5°F |
| New Hope | 7a | 0 to 5°F |
| New Kensington | 6b | −5 to 0°F |
| New Lebanon | 6a | −10 to −5°F |
| New Milford | 5b | −15 to −10°F |
| New Morgan | 7a | 0 to 5°F |
| New Oxford | 7a | 0 to 5°F |
| New Paris | 6b | −5 to 0°F |
| New Philadelphia | 6b | −5 to 0°F |
| New Ringgold | 6b | −5 to 0°F |
| New Stanton | 6b | −5 to 0°F |
| New Washington | 6a | −10 to −5°F |
| New Wilmington | 6a | −10 to −5°F |
| Newburg | 6a | −10 to −5°F |
| Newell | 6b | −5 to 0°F |
| Newport | 7a | 0 to 5°F |
| Newry | 6b | −5 to 0°F |
| Newton Hamilton | 7a | 0 to 5°F |
| Newtown | 7a | 0 to 5°F |
| Newville | 7a | 0 to 5°F |
| Nicholson | 6a | −10 to −5°F |
| Norristown | 7a | 0 to 5°F |
| North Apollo | 6b | −5 to 0°F |
| North Belle Vernon | 6b | −5 to 0°F |
| North Braddock | 6b | −5 to 0°F |
| North Catasauqua | 7a | 0 to 5°F |
| North Charleroi | 6b | −5 to 0°F |
| North East | 6a | −10 to −5°F |
| North Irwin | 6b | −5 to 0°F |
| North Wales | 7a | 0 to 5°F |
| North York | 7a | 0 to 5°F |
| Northampton | 7a | 0 to 5°F |
| Northern Cambria | 6a | −10 to −5°F |
| Northumberland | 6b | −5 to 0°F |
| Norwood | 7b | 5 to 10°F |
| Nuangola | 6b | −5 to 0°F |
| Oakdale | 6b | −5 to 0°F |
| Oakland | 5b | −15 to −10°F |
| Oakmont | 6b | −5 to 0°F |
| Ohiopyle | 6a | −10 to −5°F |
| Ohioville | 6b | −5 to 0°F |
| Oil City | 6a | −10 to −5°F |
| Old Forge | 7a | 0 to 5°F |
| Olyphant | 6a | −10 to −5°F |
| Orangeville | 6b | −5 to 0°F |
| Orbisonia | 7a | 0 to 5°F |
| Orrstown | 7a | 0 to 5°F |
| Orwigsburg | 7a | 0 to 5°F |
| Osceola Mills | 6a | −10 to −5°F |
| Oswayo | 5b | −15 to −10°F |
| Oxford | 7a | 0 to 5°F |
| Paint | 6a | −10 to −5°F |
| Palmerton | 6b | −5 to 0°F |
| Palmyra | 7a | 0 to 5°F |
| Palo Alto | 6b | −5 to 0°F |
| Parker | 6a | −10 to −5°F |
| Parkesburg | 7a | 0 to 5°F |
| Parkside | 7b | 5 to 10°F |
| Parryville | 6b | −5 to 0°F |
| Patterson Heights | 6b | −5 to 0°F |
| Patton | 6a | −10 to −5°F |
| Paxtang | 7a | 0 to 5°F |
| Pen Argyl | 6b | −5 to 0°F |
| Penbrook | 7a | 0 to 5°F |
| Penn | 6b | −5 to 0°F |
| Penn Lake Park | 6a | −10 to −5°F |
| Penndel | 7a | 0 to 5°F |
| Pennsburg | 7a | 0 to 5°F |
| Pennsbury Village | 6b | −5 to 0°F |
| Perkasie | 7a | 0 to 5°F |
| Perryopolis | 6b | −5 to 0°F |
| Petersburg | 6b | −5 to 0°F |
| Petrolia | 6a | −10 to −5°F |
| Philadelphia | 7b | 5 to 10°F |
| Philipsburg | 6a | −10 to −5°F |
| Phoenixville | 7a | 0 to 5°F |
| Picture Rocks | 6b | −5 to 0°F |
| Pillow | 6b | −5 to 0°F |
| Pine Grove | 7a | 0 to 5°F |
| Pitcairn | 6b | −5 to 0°F |
| Pittsburgh | 6b | −5 to 0°F |
| Pittston | 7a | 0 to 5°F |
| Platea | 6b | −5 to 0°F |
| Pleasant Hills | 6b | −5 to 0°F |
| Pleasantville | 6a | −10 to −5°F |
| Plum | 6b | −5 to 0°F |
| Plumville | 6a | −10 to −5°F |
| Plymouth | 6b | −5 to 0°F |
| Point Marion | 6b | −5 to 0°F |
| Polk | 6a | −10 to −5°F |
| Port Allegany | 5b | −15 to −10°F |
| Port Carbon | 6b | −5 to 0°F |
| Port Clinton | 7a | 0 to 5°F |
| Port Matilda | 6b | −5 to 0°F |
| Port Royal | 7a | 0 to 5°F |
| Port Vue | 6b | −5 to 0°F |
| Portage | 6a | −10 to −5°F |
| Portersville | 6a | −10 to −5°F |
| Portland | 6b | −5 to 0°F |
| Pottstown | 7a | 0 to 5°F |
| Pringle | 6b | −5 to 0°F |
| Prompton | 6a | −10 to −5°F |
| Prospect | 6a | −10 to −5°F |
| Prospect Park | 7b | 5 to 10°F |
| Punxsutawney | 6a | −10 to −5°F |
| Quakertown | 7a | 0 to 5°F |
| Quarryville | 7a | 0 to 5°F |
| Railroad | 7a | 0 to 5°F |
| Rainsburg | 6b | −5 to 0°F |
| Ramey | 6a | −10 to −5°F |
| Rankin | 6b | −5 to 0°F |
| Reading | 7a | 0 to 5°F |
| Red Hill | 7a | 0 to 5°F |
| Red Lion | 7a | 0 to 5°F |
| Renovo | 6a | −10 to −5°F |
| Reynoldsville | 6a | −10 to −5°F |
| Rices Landing | 6b | −5 to 0°F |
| Richland | 7a | 0 to 5°F |
| Richlandtown | 6b | −5 to 0°F |
| Ridgway | 5b | −15 to −10°F |
| Ridley Park | 8a | 10 to 15°F |
| Riegelsville | 7a | 0 to 5°F |
| Rimersburg | 6a | −10 to −5°F |
| Ringtown | 6b | −5 to 0°F |
| Riverside | 6b | −5 to 0°F |
| Roaring Spring | 6b | −5 to 0°F |
| Robesonia | 7a | 0 to 5°F |
| Rochester | 6b | −5 to 0°F |
| Rockhill | 7a | 0 to 5°F |
| Rockledge | 7b | 5 to 10°F |
| Rockwood | 6a | −10 to −5°F |
| Rome | 6a | −10 to −5°F |
| Rose Valley | 7b | 5 to 10°F |
| Roseto | 7a | 0 to 5°F |
| Roseville | 6a | −10 to −5°F |
| Rosslyn Farms | 6b | −5 to 0°F |
| Rouseville | 6a | −10 to −5°F |
| Royalton | 7a | 0 to 5°F |
| Royersford | 7a | 0 to 5°F |
| Rural Valley | 6a | −10 to −5°F |
| Rutledge | 7b | 5 to 10°F |
| S.N.P.J. | 6a | −10 to −5°F |
| Saegertown | 6a | −10 to −5°F |
| Salisbury | 6a | −10 to −5°F |
| Salladasburg | 6a | −10 to −5°F |
| Saltillo | 7a | 0 to 5°F |
| Saltsburg | 6b | −5 to 0°F |
| Sandy Lake | 6a | −10 to −5°F |
| Sankertown | 6a | −10 to −5°F |
| Saxonburg | 6b | −5 to 0°F |
| Saxton | 6b | −5 to 0°F |
| Sayre | 6a | −10 to −5°F |
| Schellsburg | 6b | −5 to 0°F |
| Schuylkill Haven | 7a | 0 to 5°F |
| Schwenksville | 7a | 0 to 5°F |
| Scottdale | 6b | −5 to 0°F |
| Scranton | 6b | −5 to 0°F |
| Selinsgrove | 6b | −5 to 0°F |
| Sellersville | 7a | 0 to 5°F |
| Seven Fields | 6b | −5 to 0°F |
| Seven Springs | 6a | −10 to −5°F |
| Seven Valleys | 7a | 0 to 5°F |
| Seward | 6b | −5 to 0°F |
| Sewickley | 7a | 0 to 5°F |
| Sewickley Heights | 6b | −5 to 0°F |
| Sewickley Hills | 6b | −5 to 0°F |
| Shade Gap | 7a | 0 to 5°F |
| Shamokin | 6b | −5 to 0°F |
| Shamokin Dam | 6b | −5 to 0°F |
| Shanksville | 6a | −10 to −5°F |
| Sharon | 6a | −10 to −5°F |
| Sharon Hill | 7b | 5 to 10°F |
| Sharpsburg | 6b | −5 to 0°F |
| Sharpsville | 6a | −10 to −5°F |
| Sheakleyville | 6a | −10 to −5°F |
| Shelocta | 6b | −5 to 0°F |
| Shenandoah | 6b | −5 to 0°F |
| Shickshinny | 6b | −5 to 0°F |
| Shillington | 7a | 0 to 5°F |
| Shinglehouse | 5b | −15 to −10°F |
| Shippensburg | 7a | 0 to 5°F |
| Shippenville | 6a | −10 to −5°F |
| Shippingport | 6b | −5 to 0°F |
| Shiremanstown | 7a | 0 to 5°F |
| Shirleysburg | 7a | 0 to 5°F |
| Shoemakersville | 7a | 0 to 5°F |
| Shrewsbury | 7a | 0 to 5°F |
| Silverdale | 7a | 0 to 5°F |
| Sinking Spring | 7a | 0 to 5°F |
| Slatington | 6b | −5 to 0°F |
| Sligo | 6a | −10 to −5°F |
| Slippery Rock | 6a | −10 to −5°F |
| Smethport | 5b | −15 to −10°F |
| Smicksburg | 6a | −10 to −5°F |
| Smithfield | 6b | −5 to 0°F |
| Smithton | 6b | −5 to 0°F |
| Snow Shoe | 6a | −10 to −5°F |
| Snydertown | 6b | −5 to 0°F |
| Somerset | 6a | −10 to −5°F |
| Souderton | 7a | 0 to 5°F |
| South Bethlehem | 6a | −10 to −5°F |
| South Coatesville | 7a | 0 to 5°F |
| South Connellsville | 6b | −5 to 0°F |
| South Fork | 6a | −10 to −5°F |
| South Greensburg | 6b | −5 to 0°F |
| South Heights | 6b | −5 to 0°F |
| South New Castle | 6a | −10 to −5°F |
| South Renovo | 6a | −10 to −5°F |
| South Waverly | 6a | −10 to −5°F |
| South Williamsport | 6b | −5 to 0°F |
| Southmont | 6b | −5 to 0°F |
| Southwest Greensburg | 6b | −5 to 0°F |
| Spartansburg | 6a | −10 to −5°F |
| Speers | 6b | −5 to 0°F |
| Spring City | 7a | 0 to 5°F |
| Spring Grove | 7a | 0 to 5°F |
| Springboro | 6a | −10 to −5°F |
| Springdale | 6b | −5 to 0°F |
| St. Clair | 6b | −5 to 0°F |
| St. Clairsville | 6b | −5 to 0°F |
| St. Lawrence | 7a | 0 to 5°F |
| St. Marys | 5b | −15 to −10°F |
| St. Petersburg | 6a | −10 to −5°F |
| Starrucca | 5b | −15 to −10°F |
| State College | 6b | −5 to 0°F |
| Steelton | 7a | 0 to 5°F |
| Stewartstown | 7a | 0 to 5°F |
| Stillwater | 6b | −5 to 0°F |
| Stockdale | 6b | −5 to 0°F |
| Stockertown | 7a | 0 to 5°F |
| Stoneboro | 6a | −10 to −5°F |
| Stoystown | 6a | −10 to −5°F |
| Strasburg | 7a | 0 to 5°F |
| Strattanville | 6a | −10 to −5°F |
| Stroudsburg | 6b | −5 to 0°F |
| Sugar Grove | 5b | −15 to −10°F |
| Sugar Notch | 6b | −5 to 0°F |
| Sugarcreek | 6a | −10 to −5°F |
| Summerhill | 6a | −10 to −5°F |
| Summerville | 6a | −10 to −5°F |
| Summit Hill | 6b | −5 to 0°F |
| Sunbury | 6b | −5 to 0°F |
| Susquehanna Depot | 5b | −15 to −10°F |
| Swarthmore | 7b | 5 to 10°F |
| Swissvale | 6b | −5 to 0°F |
| Swoyersville | 6b | −5 to 0°F |
| Sykesville | 6a | −10 to −5°F |
| Sylvania | 6a | −10 to −5°F |
| Tamaqua | 6b | −5 to 0°F |
| Tarentum | 6b | −5 to 0°F |
| Tatamy | 7a | 0 to 5°F |
| Taylor | 6b | −5 to 0°F |
| Telford | 7a | 0 to 5°F |
| Terre Hill | 7a | 0 to 5°F |
| Thompson | 5b | −15 to −10°F |
| Thompsontown | 6b | −5 to 0°F |
| Thornburg | 6b | −5 to 0°F |
| Three Springs | 7a | 0 to 5°F |
| Throop | 6b | −5 to 0°F |
| Tidioute | 6a | −10 to −5°F |
| Timblin | 6a | −10 to −5°F |
| Tioga | 6a | −10 to −5°F |
| Tionesta | 6a | −10 to −5°F |
| Titusville | 6a | −10 to −5°F |
| Topton | 7a | 0 to 5°F |
| Towanda | 6a | −10 to −5°F |
| Tower City | 6b | −5 to 0°F |
| Townville | 6a | −10 to −5°F |
| Trafford | 6b | −5 to 0°F |
| Trainer | 7b | 5 to 10°F |
| Trappe | 7a | 0 to 5°F |
| Tremont | 6b | −5 to 0°F |
| Troutville | 6a | −10 to −5°F |
| Troy | 6a | −10 to −5°F |
| Trumbauersville | 7a | 0 to 5°F |
| Tullytown | 7b | 5 to 10°F |
| Tunkhannock | 6a | −10 to −5°F |
| Tunnelhill | 6a | −10 to −5°F |
| Turbotville | 6b | −5 to 0°F |
| Turtle Creek | 6b | −5 to 0°F |
| Twilight | 6b | −5 to 0°F |
| Tyrone | 6b | −5 to 0°F |
| Ulysses | 5b | −15 to −10°F |
| Union City | 6a | −10 to −5°F |
| Union Dale | 5b | −15 to −10°F |
| Uniontown | 6b | −5 to 0°F |
| Unionville | 6b | −5 to 0°F |
| Upland | 7b | 5 to 10°F |
| Ursina | 6a | −10 to −5°F |
| Utica | 6a | −10 to −5°F |
| Valencia | 6b | −5 to 0°F |
| Valley-Hi | 6b | −5 to 0°F |
| Vanderbilt | 6b | −5 to 0°F |
| Vandling | 6a | −10 to −5°F |
| Venango | 6a | −10 to −5°F |
| Verona | 6b | −5 to 0°F |
| Versailles | 6b | −5 to 0°F |
| Vintondale | 6a | −10 to −5°F |
| Volant | 6a | −10 to −5°F |
| Wall | 6b | −5 to 0°F |
| Wallaceton | 6a | −10 to −5°F |
| Walnutport | 6b | −5 to 0°F |
| Wampum | 6b | −5 to 0°F |
| Warren | 6a | −10 to −5°F |
| Warrior Run | 6b | −5 to 0°F |
| Washington | 6b | −5 to 0°F |
| Washingtonville | 6b | −5 to 0°F |
| Waterford | 6a | −10 to −5°F |
| Watsontown | 6b | −5 to 0°F |
| Wattsburg | 6a | −10 to −5°F |
| Waymart | 6a | −10 to −5°F |
| Waynesboro | 7a | 0 to 5°F |
| Waynesburg | 6b | −5 to 0°F |
| Weatherly | 6b | −5 to 0°F |
| Weissport | 6b | −5 to 0°F |
| Wellersburg | 6b | −5 to 0°F |
| Wellsboro | 6a | −10 to −5°F |
| Wellsville | 7a | 0 to 5°F |
| Wernersville | 7a | 0 to 5°F |
| Wesleyville | 6b | −5 to 0°F |
| West Brownsville | 6b | −5 to 0°F |
| West Chester | 7a | 0 to 5°F |
| West Conshohocken | 7b | 5 to 10°F |
| West Easton | 7a | 0 to 5°F |
| West Elizabeth | 6b | −5 to 0°F |
| West Grove | 7a | 0 to 5°F |
| West Hazleton | 6b | −5 to 0°F |
| West Homestead | 6b | −5 to 0°F |
| West Leechburg | 6b | −5 to 0°F |
| West Liberty | 6a | −10 to −5°F |
| West Mayfield | 6b | −5 to 0°F |
| West Middlesex | 6a | −10 to −5°F |
| West Middletown | 6b | −5 to 0°F |
| West Mifflin | 6b | −5 to 0°F |
| West Newton | 6b | −5 to 0°F |
| West Pittston | 7a | 0 to 5°F |
| West Reading | 7a | 0 to 5°F |
| West Sunbury | 6a | −10 to −5°F |
| West View | 6b | −5 to 0°F |
| West Wyoming | 6b | −5 to 0°F |
| West York | 7a | 0 to 5°F |
| Westfield | 6a | −10 to −5°F |
| Westmont | 6b | −5 to 0°F |
| Westover | 6a | −10 to −5°F |
| Wheatland | 6a | −10 to −5°F |
| Whitaker | 6b | −5 to 0°F |
| White Haven | 6a | −10 to −5°F |
| White Oak | 6b | −5 to 0°F |
| Whitehall | 6b | −5 to 0°F |
| Wilkes-Barre | 7a | 0 to 5°F |
| Wilkinsburg | 6b | −5 to 0°F |
| Williamsburg | 6b | −5 to 0°F |
| Williamsport | 6b | −5 to 0°F |
| Williamstown | 6b | −5 to 0°F |
| Wilmerding | 6b | −5 to 0°F |
| Wilmore | 6a | −10 to −5°F |
| Wilson | 7a | 0 to 5°F |
| Wind Gap | 6b | −5 to 0°F |
| Windsor | 7a | 0 to 5°F |
| Winterstown | 7a | 0 to 5°F |
| Womelsdorf | 7a | 0 to 5°F |
| Woodbury | 6b | −5 to 0°F |
| Woodcock | 6a | −10 to −5°F |
| Wormleysburg | 7a | 0 to 5°F |
| Worthington | 6b | −5 to 0°F |
| Worthville | 6a | −10 to −5°F |
| Wrightsville | 7a | 0 to 5°F |
| Wyalusing | 6a | −10 to −5°F |
| Wyoming | 6b | −5 to 0°F |
| Wyomissing | 7a | 0 to 5°F |
| Yardley | 7a | 0 to 5°F |
| Yatesville | 6b | −5 to 0°F |
| Yeadon | 7b | 5 to 10°F |
| Yoe | 7a | 0 to 5°F |
| York | 7a | 0 to 5°F |
| York Haven | 7a | 0 to 5°F |
| York Springs | 7a | 0 to 5°F |
| Yorkana | 7a | 0 to 5°F |
| Youngsville | 5b | −15 to −10°F |
| Youngwood | 6b | −5 to 0°F |
| Zelienople | 6b | −5 to 0°F |
Source: USDA Plant Hardiness Zone Map, 2023, Agricultural Research Service, U.S. Department of Agriculture; ZIP code table from the PRISM Group, Oregon State University (accessed Oct 2026). This list is our own summary, not the official USDA map. See how we calculate.
Frequently asked questions
What planting zone is Pennsylvania?
Pennsylvania spans zones 5b to 8a on the 2023 USDA map, and zone 6b is the most common. Look up your ZIP code for your exact zone.
What zone is Philadelphia, PA?
Philadelphia is zone 7b, where the coldest night of an average winter falls from 5 to 10°F. Plants rated hardy to zone 7 or colder should survive a typical winter there.
More for Pennsylvania: Pennsylvania climate zones (insulation) · Last frost dates in Pennsylvania · Frost line depth by state