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.

Fair

38°F

3°C

Humidity 48%
Wind Speed Vrbl 6 mph
Barometer 30.45 in (1032.7 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Mar 10:53 am EDT
Extended Forecast for

Williamson PA

  • Today

    Today: Sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. South wind around 5 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 51. Light and variable wind.
Tonight
Partly cloudy, with a low around 34. Calm wind.
Wednesday
Mostly cloudy, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 44. South wind around 5 mph.
Thursday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Rain, mainly after 2am. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 8am. High near 58. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 63.
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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:
8:05 am EDT Mar 24, 2026
Forecast Valid:
11am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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