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Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

37°F

3°C

Humidity 28%
Wind Speed W 10 mph
Barometer 30.14 in (1022.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 22 Jan 10:53 pm EST
Extended Forecast for

Williamson PA

Winter Storm Watch January 24, 10:00pm until January 26, 01:00pm
Cold Weather Advisory January 23, 10:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 26. Light southwest wind.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 36. Southwest wind 5 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6. Wind chill values as low as -5. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 18. Wind chill values as low as -5. Northwest wind around 6 mph becoming calm in the morning.

    High: 18 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 13. Light east wind. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 13 °F

    Heavy Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 19. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 19 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Low around 14. Chance of precipitation is 80%.

    Low: 14 °F

    Snow

  • Monday

    Monday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Light southwest wind.
Friday
Mostly sunny, with a high near 36. Southwest wind 5 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 6. Wind chill values as low as -5. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Saturday
Mostly cloudy, with a high near 18. Wind chill values as low as -5. Northwest wind around 6 mph becoming calm in the morning.
Saturday Night
Snow. The snow could be heavy at times. Low around 13. Light east wind. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 19. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Sunday Night
Snow, mainly before 1am. Low around 14. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Mostly cloudy, with a high near 25.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamson PA
 39.86°N 77.81°W (Elev. 545 ft)
Last Update:
7:06 pm EST Jan 22, 2026
Forecast Valid:
10pm EST Jan 22, 2026-6pm EST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation