National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair and Breezy

43°F

6°C

Humidity 40%
Wind Speed NW 21 G 30 mph
Barometer 29.99 in (1016.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Mar 7:53 am EDT
Extended Forecast for

3 Miles SSW Mercersburg PA

Wind Advisory March 14, 08:49am until March 14, 11:00am
Click here for hazard details and duration
...
  •  
    Wind Advisory March 14, 08:49am until March 14, 11:00am

    NOW until 11:00am Sat

    Wind Advisory

  • Today

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Calm wind.

    Low: 35 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 56. Southeast wind 7 to 15 mph, with gusts as high as 31 mph.

    High: 56 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 50. Southeast wind around 14 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 68. Breezy, with a south wind 17 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of rain showers before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 51. West wind 13 to 16 mph, with gusts as high as 41 mph.
Tonight
Increasing clouds, with a low around 35. Calm wind.
Sunday
Mostly cloudy, with a high near 56. Southeast wind 7 to 15 mph, with gusts as high as 31 mph.
Sunday Night
Showers, mainly after 2am. Low around 50. Southeast wind around 14 mph, with gusts as high as 32 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 2pm. High near 68. Breezy, with a south wind 17 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
A chance of rain showers before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Mercersburg PA
 39.78°N 77.94°W (Elev. 551 ft)
Last Update:
8:05 am EDT Mar 14, 2026
Forecast Valid:
8am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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