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

34°F

1°C

Humidity 76%
Wind Speed Calm
Barometer 29.94 in (1015.4 mb)
Dewpoint 27°F (-3°C)
Visibility 8.00 mi
Last update 6 Dec 10:53 am EST
Extended Forecast for

3 Miles N Mercersburg PA

  • Today

    Today: Mostly cloudy, with a high near 42. West wind 3 to 6 mph.

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 42. Calm wind becoming south around 6 mph.

    High: 42 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Calm wind becoming northwest around 6 mph after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32. North wind 6 to 8 mph.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.

    High: 47 °F

    Cloudy then
    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 42. West wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 27. Calm wind.
Sunday
Mostly cloudy, with a high near 42. Calm wind becoming south around 6 mph.
Sunday Night
Mostly cloudy, with a low around 24. Calm wind becoming northwest around 6 mph after midnight.
Monday
Mostly sunny, with a high near 32. North wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
A chance of rain after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Friday
A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Mercersburg PA
 39.87°N 77.9°W (Elev. 564 ft)
Last Update:
7:26 am EST Dec 6, 2025
Forecast Valid:
11am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
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