Weather in Northumberland, PA
Updated 2026-08-11 11:15 local time · ZIP codes 17857

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
86°5% rain
85°5% rain
86°4% rain
87°4% rain
87°4% rain
86°4% rain
86°3% rain
87°3% rain
84°3% rain
80°5% rain
78°7% rain
76°10% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 10%).
It feels like 95°F with winds near 7 mph.
80°F, 5% rain chance and 2 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 86°F, wind 7 mph, rain chance up to 10%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Northumberland weather today
Sunny and 86°F in Northumberland, PA. Today's high is 87°F with a 17% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 67%, pressure is 29.93 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Northumberland
Sunrise is at 06:13 AM and sunset is at 08:11 PM. Tomorrow's forecast calls for Sunny with a high near 86°F and a low near 62°F. The maximum rain chance is 61%.