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Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

20°F

-7°C

Humidity 38%
Wind Speed W 6 mph
Barometer 30.43 in (1032.8 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 20 Jan 6:53 pm EST
Extended Forecast for

3 Miles N Mercersburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 11. Calm wind.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 37. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 37 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. South wind 3 to 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. West wind 5 to 11 mph, with gusts as high as 24 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6.

    Low: 6 °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. Mostly 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 11. Calm wind.
Wednesday
Increasing clouds, with a high near 37. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 29. South wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 44. West wind 5 to 11 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 23. Calm wind.
Friday
Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 6.
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. Mostly cloudy, with a low around 11. Chance of precipitation is 70%.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 19. 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 23.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 26.
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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:
7:06 pm EST Jan 20, 2026
Forecast Valid:
7pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation