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

52°F

11°C

Humidity 24%
Wind Speed NW 17 mph
Barometer 30.13 in (1021.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Mar 12:53 pm EDT
Extended Forecast for

3 Miles N Mercersburg PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 51. West wind around 11 mph, with gusts as high as 24 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 54. Light east wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 26 mph.

    High: 54 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 49. Southeast wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 66. Southeast wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: Rain and snow showers likely, becoming all snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 25. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 51. West wind around 11 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 34. Calm wind.
Sunday
Partly sunny, with a high near 54. Light east wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 26 mph.
Sunday Night
Showers, mainly after 2am. Low around 49. Southeast wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 66. Southeast wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and snow showers likely, becoming all snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 25. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 50.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Mercersburg PA
 39.87°N 77.9°W (Elev. 564 ft)
Last Update:
12:51 pm EDT Mar 14, 2026
Forecast Valid:
1pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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