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.

Partly Cloudy

82°F

28°C

Humidity 29%
Wind Speed W 14 G 23 mph
Barometer 29.87 in (1011.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Jun 3:53 pm EDT
Extended Forecast for

6 Miles S Mercersburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 23 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Light west wind becoming northwest 5 to 9 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 81. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 64. West wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 2pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 83. Light west wind becoming northwest 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 63. Light and variable wind.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 81. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 64. West wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers before 2pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Mercersburg PA
 39.76°N 77.89°W (Elev. 587 ft)
Last Update:
3:11 pm EDT Jun 20, 2026
Forecast Valid:
4pm EDT Jun 20, 2026-6pm EDT Jun 27, 2026
 
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Additional Resources

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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