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

77°F

25°C

Humidity 47%
Wind Speed SE 7 mph
Barometer 30.14 in (1021.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Jul 6:53 pm EDT
Extended Forecast for

Williamson PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 83. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 62. Calm wind.
Sunday
Mostly sunny, with a high near 86. Calm wind.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 64.
Friday
Mostly sunny, with a high near 87.
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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:
2:31 pm EDT Jul 24, 2026
Forecast Valid:
7pm EDT Jul 24, 2026-6pm EDT Jul 31, 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