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Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

17°F

-8°C

Humidity 43%
Wind Speed Calm
Barometer 30.47 in (1034.0 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 20 Jan 9:53 pm EST
Extended Forecast for

3 Miles SSW Mercersburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 37. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 37 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. South wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 45. West wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. Light west wind.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.

    High: 17 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Cloudy, with a low around 11. Chance of precipitation is 70%.

    Low: 11 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 12. Calm wind.
Wednesday
Increasing clouds, with a high near 37. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 30. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 45. West wind 6 to 13 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 24. Light west wind.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 7.
Saturday
A chance of snow after 1pm. Mostly cloudy, with a high near 17. Chance of precipitation is 30%.
Saturday Night
Snow likely, mainly after 1am. Cloudy, with a low around 11. Chance of precipitation is 70%.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 8. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Mercersburg PA
 39.78°N 77.94°W (Elev. 551 ft)
Last Update:
7:41 pm EST Jan 20, 2026
Forecast Valid:
10pm EST Jan 20, 2026-6pm EST Jan 27, 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