National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

34°F

1°C

Humidity 50%
Wind Speed W 16 G 26 mph
Barometer 30.01 in (1017.8 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 27 Nov 11:53 pm EST
Extended Forecast for

Williamson PA

  • Overnight

    Overnight: Mostly clear, with a low around 28. West wind around 11 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 39. West wind 13 to 17 mph, with gusts as high as 31 mph.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. West wind 6 to 9 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 41. West wind around 5 mph becoming calm in the morning.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 30. Calm wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Snow

  • Sunday

    Sunday: A chance of rain and snow before 1pm, then a chance of rain. Cloudy, with a high near 44. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 28. West wind around 11 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 39. West wind 13 to 17 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 24. West wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 41. West wind around 5 mph becoming calm in the morning.
Saturday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 30. Calm wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 1pm, then a chance of rain. Cloudy, with a high near 44. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 40.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Cloudy, with a high near 37. Chance of precipitation is 50%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamson PA
 39.86°N 77.81°W (Elev. 545 ft)
Last Update:
10:06 pm EST Nov 27, 2025
Forecast Valid:
12am EST Nov 28, 2025-6pm EST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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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