Penn, PA Weather Forecast
Chester County, Pennsylvania
Live radar, warnings and storm tracking for Penn, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Penn
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Penn, PA at a glance
Penn is home to about 5,675 people in Chester County, across 9.6 square miles. It ranks 469th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is West Grove, 2 miles away.
- County
- Chester County
- Population
- 5,675 2023 est.
- Land area
- 9.6 sq mi
- People per sq mi
- 591
- Forecast point
- 39.8223°N, 75.8740°W
How well can the network see Penn?
The nearest Doppler radar is KDOX (Dover AFB, DE), to the SSE. Its lowest scan passes about 6,000 ft above Penn. The beam is above the lowest few thousand feet here, so a warning for Penn can come before anything looks dramatic on radar.
The closest weather station is KMQS (Coatesville/Chester Cnty). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Penn
- West Grove, PA2 mi
- London Grove, PA3 mi
- New London, PA4 mi
- Londonderry, PA4 mi
- Upper Oxford, PA5 mi
- Franklin, PA5 mi
- Lower Oxford, PA6 mi
- Oxford, PA6 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →