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.

Mostly Cloudy

25°F

-4°C

Humidity 58%
Wind Speed NW 6 mph
Barometer 29.95 in (1015.9 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 18 Jan 6:53 pm EST
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: Increasing clouds, with a low around 19. Light and variable wind.

    Low: 19 °F

    Increasing
    Clouds

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 34. South wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. West wind 6 to 13 mph, with gusts as high as 30 mph.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. West wind 6 to 10 mph, with gusts as high as 24 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. Calm wind.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 19. Light and variable wind.
M.L.King Day
Partly sunny, with a high near 34. South wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 36 mph.
Monday Night
Mostly clear, with a low around 10. West wind 6 to 13 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 22. West wind 6 to 10 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 10. Calm wind.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A chance of snow showers. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 22. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
7:33 pm EST Jan 18, 2026
Forecast Valid:
7pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation