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

33°F

1°C

Humidity 49%
Wind Speed W 10 mph
Barometer 30.30 in (1027.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Nov 9:53 pm EST
Extended Forecast for

3 Miles N Mercersburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 25. West wind 6 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

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

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Cloudy, with a low around 28. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Rain and snow likely, becoming all rain after 10am. Mostly cloudy, with a high near 45. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. West wind around 7 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.

    High: 37 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. West wind 6 to 8 mph.
Saturday
Sunny, with a high near 41. West wind around 5 mph becoming calm in the morning.
Saturday Night
A chance of snow after 1am. Cloudy, with a low around 28. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Sunday
Rain and snow likely, becoming all rain after 10am. Mostly cloudy, with a high near 45. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 28. West wind around 7 mph.
Monday
Partly sunny, with a high near 39.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Tuesday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Mercersburg PA
 39.87°N 77.9°W (Elev. 564 ft)
Last Update:
8:21 pm EST Nov 28, 2025
Forecast Valid:
10pm EST Nov 28, 2025-6pm EST Dec 5, 2025
 
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