Pennsylvania Weather
Observed at Philadelphia (the largest city by population in Pennsylvania, used as a state-wide proxy). For per-city forecasts, see the city grid below.
Climate at a glance
Pennsylvania is largely one climate zone across 1,886 cities and towns. Predominantly warm-summer humid continental.
The state spans roughly 2.4° of latitude (39.7° N to 42.1° N), from Pen Mar in the south to Northwest Harborcreek in the north. Philadelphia is the largest city by population.
Microseason · September 21–25 · Northeast Continental
Apples hang heavy on the branch
Read this microseason across nine climate regions → · See all 72 microseasons
Microseason content for Pennsylvania is drawn from the Northeast Continental corpus (100% of the state's cities sit in this region).
Live wind & temperature across Pennsylvania
Cities in Pennsylvania
| City | July normal | Population |
|---|---|---|
| Philadelphia | 77°F | 5,782,653 |
| Pittsburgh | 73°F | 1,729,616 |
| Allentown | 75°F | 644,758 |
| Harrisburg | 75°F | 510,827 |
| Lancaster | 76°F | 407,719 |
| Scranton | 74°F | 366,238 |
| Reading | 76°F | 283,546 |
| York | 77°F | 244,270 |
| Erie | 73°F | 184,712 |
| Green Tree | 73°F | 4,833 |
| West Newton | 73°F | 2,621 |
| Trumbauersville | 75°F | 772 |
| Salona | 73°F | 357 |
| Dumb Hundred | 72°F | 82 |
Our dataset lists 1,886 places in Pennsylvania; the 14 above have a page. For a smaller town, the nearest city above is the closest match.