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Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

33°F

1°C

Humidity 42%
Wind Speed Calm
Barometer 29.90 in (1014.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 24 Feb 6:53 pm EST
Extended Forecast for

Mercersburg PA

  • Tonight

    Tonight: A chance of snow after 10pm, mixing with rain after 5am. Mostly cloudy, with a low around 28. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 28 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain before 7am. Partly sunny, with a high near 49. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow before 1pm, then a chance of rain. Partly sunny, with a high near 45. Light northwest wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow after 10pm, mixing with rain after 5am. Mostly cloudy, with a low around 28. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of rain before 7am. Partly sunny, with a high near 49. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A chance of rain and snow before 1pm, then a chance of rain. Partly sunny, with a high near 45. Light northwest wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 46.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Monday
A chance of snow. Partly sunny, with a high near 34. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercersburg PA
 39.82°N 77.9°W (Elev. 600 ft)
Last Update:
7:06 pm EST Feb 24, 2026
Forecast Valid:
7pm EST Feb 24, 2026-6pm EST Mar 3, 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