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.

Mostly Cloudy

61°F

16°C

Humidity 90%
Wind Speed SE 7 mph
Barometer 29.89 in (1012.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Mar 9:53 am EDT
Extended Forecast for

3 Miles SSW Mercersburg PA

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 77. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely then
    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely. Some of the storms could be severe. Low around 41. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: A chance of rain showers before 11am, then a slight chance of snow showers between 11am and 2pm. Mostly cloudy, with a high near 45. Northwest wind 14 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 55. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 55 °F

    Partly Sunny

  • Friday Night

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

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 57.

    High: 57 °F

    Cloudy

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 77. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 3am, then showers likely. Some of the storms could be severe. Low around 41. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain showers before 11am, then a slight chance of snow showers between 11am and 2pm. Mostly cloudy, with a high near 45. Northwest wind 14 to 18 mph, with gusts as high as 44 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 55. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Cloudy, with a high near 57.
Sunday Night
Showers, mainly after 2am. Low around 44. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 54. Chance of precipitation is 80%.
Monday Night
A chance of rain and snow showers. Partly cloudy, with a low around 25. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 36.
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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:
10:06 am EDT Mar 11, 2026
Forecast Valid:
10am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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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