Weather in Williamsport, PA
Updated 2026-08-11 12:15 local time · ZIP codes 17701, 17702
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
77°6% rain
83°6% rain87°4% rain86°3% rain86°4% rain84°4% rain84°4% rain79°7% rain
77°18% rain
76°8% rain
75°32% rain73°24% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
There is a moderate rain chance, peaking near 32%.
It feels like 80°F with winds near 7 mph.
77°F, 6% rain chance and 7 mph wind.
Visibility is around 10 mi; gusts may reach 11 mph.
Current temperature is 77°F, wind 7 mph, rain chance up to 32%.
UV index is 6. Sunscreen and sunglasses are sensible for longer outdoor time.
Williamsport weather today
Partly cloudy and 77°F in Williamsport, PA. Today's high is 87°F with a 22% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 78%, pressure is 29.91 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Williamsport
Sunrise is at 06:13 AM and sunset is at 08:12 PM. Tomorrow's forecast calls for Sunny with a high near 86°F and a low near 57°F. The maximum rain chance is 36%.