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

51°F

11°C

Humidity 46%
Wind Speed S 13 G 18 mph
Barometer 29.94 in (1015.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 7 Nov 9:53 am EST
Extended Forecast for

Mercersburg PASimilar City Names

  • Today

    Today: Increasing clouds, with a high near 62. South wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 62 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 48. South wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 62. South wind 11 to 14 mph, with gusts as high as 25 mph.
Tonight
Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 48. South wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 65. Calm wind becoming northwest 5 to 7 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 44. Calm wind.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 28.
Veterans Day
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercersburg PASimilar City Names
 39.82°N 77.9°W (Elev. 600 ft)
Last Update:
7:33 am EST Nov 7, 2025
Forecast Valid:
10am EST Nov 7, 2025-6pm EST Nov 13, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation