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

37°F

3°C

Humidity 87%
Wind Speed S 8 mph
Barometer 30.02 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 23 Nov 7:53 am EST
Extended Forecast for

3 Miles N Mercersburg PA

  • Today

    Today: Mostly sunny, with a high near 56. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 30 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. West wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Light south wind.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Cloudy, with a high near 52. South wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 56. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 34. West wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 55. Calm wind.
Monday Night
Mostly cloudy, with a low around 38. Light south wind.
Tuesday
Showers likely, mainly after 1pm. Cloudy, with a high near 52. South wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 34.
Thanksgiving Day
Partly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 42.
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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:
7:20 am EST Nov 23, 2025
Forecast Valid:
8am EST Nov 23, 2025-6pm EST Nov 29, 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