Williamson, PA

Weather

As ofJun 30, 2026 6:47 AM

Current Temperature

70degrees Fahrenheit

Feels like:70°

Hi:89°Lo:70°

Hazy

Williamson, PA weather radar map

Windchill: 70°
Daily Rain: --"
Dew point: 66°
Monthly Rain: 2.1"
Humidity: 91%
Avg. Wind: S 1 mph
Pressure: --"
Wind Gust: -- mph
Sunrise: 5:45 AM
Moon: Full
Sunset: 8:43 PM
UV Index: 10 (Very High)

Today
Hi
Mostly sunny. Very warm with highs in the upper 80s. South winds 5 to 10 mph.
Tonight
Lo
Partly cloudy in the evening then becoming mostly clear. Warm with lows around 70. South winds 5 to 10 mph.

Williamson, PA 10-day weather forecast

FEATURED VIDEOS

60MillionAmericansUnderHeatAlertsasFeels LikeTempsSurge — 60 Million Americans Under Heat Alerts

Air Quality Index: 30|Fair
Top Triggers:: pm25

View Today's Air Quality details for Williamson, PA

Pollen Count: 4.1|Low-Medium
Predominant Pollen:: Grass, Sorrel/Dock, Plantain

Williamson, PA Pollen forecast details

Closest strike in the last 30 minutes:263.8 miles

No Lightning Nearby

Williamson, PA real-time lightning alerts & live Map

Severe Thunderstorm Outlook

Severe Storms Fire Up Across Upper Midwest, New England And Southern Plains

Areas of strong to severe thunderstorms will erupt across parts of the Upper Midwest, northern New York, New England and the southern Plains today into this evening.

Today's High Temperatures

Summer Sizzle Builds Across the Central U.S., Then Heads East Through the Holiday Weekend

Today's Weather Outlook

Today's Weather Outlook

Drought Monitor for June 25, 2026

Arthur’s Moisture Delivers Significant Rainfall, Easing Drought Across the Southern U.S.

Temperature Outlook for June through August 2026

Summer Outlook: Developing El Niño Set to Impact Drought, Wildfires Nationwide

Young bearded man using electric fan at home. (EugeneEdge via Shutterstock)

How to Stay Cool When There's No A.C.

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Cold & Flu

Fire Updates

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide