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

82°F

28°C

Humidity 40%
Wind Speed W 7 mph
Barometer 29.75 in (1007.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Jun 6:53 pm EDT
Extended Forecast for

South Mountain PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. South wind 5 to 13 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly between noon and 2pm. Mostly cloudy, with a high near 81. Southwest wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. West wind 7 to 13 mph, with gusts as high as 30 mph.

    Low: 59 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 75. West wind around 10 mph, with gusts as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. West wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. South wind 5 to 13 mph, with gusts as high as 25 mph.
Thursday
A chance of showers and thunderstorms, mainly between noon and 2pm. Mostly cloudy, with a high near 81. Southwest wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 59. West wind 7 to 13 mph, with gusts as high as 30 mph.
Juneteenth
Mostly sunny, with a high near 75. West wind around 10 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 56. West wind 7 to 11 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Monday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Mountain PA
 39.83°N 77.5°W (Elev. 1867 ft)
Last Update:
7:16 pm EDT Jun 17, 2026
Forecast Valid:
7pm EDT Jun 17, 2026-6pm EDT Jun 24, 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