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

31°C

88°F

Humidity 57%
Wind Speed SE 9 km/h
Barometer 1017.8 mb (30.05 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index34°C (94°F)
Last update 15 Jul 4:53 pm EDT
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: A slight chance of showers between 7pm and 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 20%.

    Low: 22 °C

    Slight Chance
    Showers then
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Areas of fog before 8am. High near 32. Calm wind becoming south 5 to 10 km/h in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 32 °C

    Areas Fog
    then T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 40%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 22 °C

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 34. Heat index values as high as 39. West wind 5 to 11 km/h. Chance of precipitation is 40%.

    High: 34 °C

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 22. West wind 3 to 8 km/h. Chance of precipitation is 30%.

    Low: 22 °C

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 29. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 30. Chance of precipitation is 40%.

    High: 30 °C

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

    Low: 21 °C

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 7pm and 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Areas of fog before 8am. High near 32. Calm wind becoming south 5 to 10 km/h in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Wednesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 40%. New rainfall amounts between 5 and 7.5 mm possible.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 34. Heat index values as high as 39. West wind 5 to 11 km/h. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 22. West wind 3 to 8 km/h. Chance of precipitation is 30%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 29. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 30. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 m)
Last Update:
1:29 pm EDT Jul 15, 2025
Forecast Valid:
5pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
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