Jefferson, PA Weather Forecast
Butler County, Pennsylvania
Live radar, warnings and storm tracking for Jefferson, 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 Jefferson
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Jefferson, PA at a glance
Jefferson is home to about 5,071 people in Butler County, across 23 square miles. It ranks 530th by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is Summit, 4 miles away.
- County
- Butler County
- Population
- 5,071 2023 est.
- Land area
- 23 sq mi
- People per sq mi
- 221
- Forecast point
- 40.7889°N, 79.8320°W
How well can the network see Jefferson?
The nearest Doppler radar is KPBZ (Pittsburgh, PA), to the SW. Its lowest scan passes about 1,600 ft above Jefferson. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Jefferson show up clearly. Jefferson is closer to its radar than 75% of US cities.
The closest weather station is KBTP (Pittsburgh/Butler Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Jefferson
- Summit, PA4 mi
- Penn, PA5 mi
- Winfield, PA5 mi
- Clinton, PA6 mi
- Butler, PA6 mi
- Middlesex, PA8 mi
- Buffalo, PA8 mi
- Oakland, PA9 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

