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

80°F

27°C

Humidity 37%
Wind Speed E 5 mph
Barometer 30.21 in (1023.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 Aug 3:53 pm EDT
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: Increasing clouds, with a low around 65. Light southeast wind.

    Low: 65 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. South wind around 6 mph. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 65. Light southeast wind.
Sunday
A slight chance of showers between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. South wind around 6 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 69. Calm wind.
Monday
Partly sunny, with a high near 90. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 72. Calm wind.
Tuesday
Mostly sunny and hot, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny and hot, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Mostly sunny and hot, with a high near 92.
Thursday Night
A chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 83.
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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 Aug 29, 2026
Forecast Valid:
4pm EDT Aug 29, 2026-6pm EDT Sep 5, 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