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

49°F

9°C

Humidity 35%
Wind Speed S 15 mph
Barometer 29.92 in (1014.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 13 Jan 12:53 pm EST
Extended Forecast for

3 Miles N Mercersburg PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 49. South wind around 7 mph.

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. South wind 3 to 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 3pm. Cloudy, with a high near 49. South wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy, then gradually becoming partly cloudy, with a low around 21. Light west wind becoming northwest 6 to 11 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 21 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 27. Northwest wind 11 to 14 mph, with gusts as high as 29 mph.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Friday Night

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

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Partly sunny, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 49. South wind around 7 mph.
Tonight
Mostly cloudy, with a low around 38. South wind 3 to 6 mph.
Wednesday
Rain likely, mainly after 3pm. Cloudy, with a high near 49. South wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy, then gradually becoming partly cloudy, with a low around 21. Light west wind becoming northwest 6 to 11 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 27. Northwest wind 11 to 14 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 14.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 24.
Saturday
A chance of snow after 1pm. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 31.
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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:
12:56 pm EST Jan 13, 2026
Forecast Valid:
1pm EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation