National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Mostly Cloudy

26°C

78°F

Humidity 85%
Wind Speed Calm
Barometer 1018.5 mb (30.07 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 12 Jul 10:53 pm EDT
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.

    Low: 21 °C

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. High near 32. South wind 3 to 8 km/h. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 32 °C

    Patchy Fog
    then T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 21. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    Low: 21 °C

    T-storms then
    Showers

  • Monday

    Monday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 32. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 32 °C

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

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

    Low: 19 °C

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 33. Chance of precipitation is 20%.

    High: 33 °C

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21.

    Low: 21 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 33. Chance of precipitation is 40%.

    High: 33 °C

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °C

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers after 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. High near 32. South wind 3 to 8 km/h. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.
Sunday Night
Showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 21. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Monday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 32. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 19. Calm wind. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 33. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 33. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 34. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny and hot, with a high near 33. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly sunny, with a high near 31. 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:
11:24 pm EDT Jul 12, 2025
Forecast Valid:
11pm EDT Jul 12, 2025-6pm EDT Jul 19, 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