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.

Mostly Cloudy

80°F

27°C

Humidity 45%
Wind Speed S 13 G 18 mph
Barometer 30.00 in (1016.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Jul 1:53 pm EDT
Extended Forecast for

Chambersburg PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. South wind around 5 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 69. Calm wind becoming south around 6 mph in the evening. Chance of precipitation is 30%.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 87. Southwest wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 67. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. South wind around 5 mph.
Tonight
A chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 69. Calm wind becoming south around 6 mph in the evening. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 87. Southwest wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Low around 67. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 82.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
2:21 pm EDT Jul 20, 2026
Forecast Valid:
2pm EDT Jul 20, 2026-6pm EDT Jul 26, 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