Williamsport, PA Weather Forecast
Lycoming County, Pennsylvania
Live radar, warnings and storm tracking for Williamsport, 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 Williamsport
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Williamsport, PA at a glance
Williamsport is home to about 27,470 people in Lycoming County, across 8.8 square miles. It ranks 51st by population of 970 places in Pennsylvania with a forecast here. The nearest neighbour with its own forecast is South Williamsport, 2 miles away.
- County
- Lycoming County
- Population
- 27,470 2023 est.
- Land area
- 8.8 sq mi
- People per sq mi
- 3,130
- Forecast point
- 41.2400°N, 77.0356°W
How well can the network see Williamsport?
The nearest Doppler radar is KCCX (State College, PA), to the WSW. Its lowest scan passes about 4,000 ft above Williamsport. The beam is above the lowest few thousand feet here, so a warning for Williamsport can come before anything looks dramatic on radar.
The closest weather station is KIPT (Williamsport Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Williamsport
- South Williamsport, PA2 mi
- Old Lycoming, PA3 mi
- Loyalsock, PA3 mi
- Hepburn, PA6 mi
- Montoursville, PA6 mi
- Clinton, PA8 mi
- Fairfield, PA9 mi
- Gregg, PA10 mi
Elsewhere in Pennsylvania
PhiladelphiaPittsburghAllentownReadingErieUpper DarbyAll Pennsylvania forecasts →

