Weather in Williamsport, PA
Updated 2026-09-26 11:00 local time · ZIP codes 17701, 17702
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
61°15% rain66°12% rain66°11% rain67°11% rain67°12% rain66°13% rain65°14% rain63°15% rain
61°19% rain60°16% rain
60°17% rain59°17% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 19%).
It feels like 56°F with winds near 7 mph.
67°F, 11% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 27 mph.
Current temperature is 61°F, wind 7 mph, rain chance up to 19%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Williamsport
Pennsylvania has four seasons and varied terrain. Western and northern areas are generally cooler and snowier, while southeastern areas are often milder.
Williamsport is part of the Northeast weather region. The forecast point is near 41.24°N latitude and 77.00°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Williamsport weather today
Overcast and 61°F in Williamsport, PA. Today's high is 67°F with a 21% rain chance. Winds are around 7 mph with gusts near 20 mph. Relative humidity is 63%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Williamsport
Sunrise is at 06:59 AM and sunset is at 06:59 PM. Tomorrow's forecast calls for Light drizzle with a high near 59°F and a low near 54°F. The maximum rain chance is 85%.