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.

Thunderstorm

26°C

78°F

Humidity 85%
Wind Speed SE 13 km/h
Barometer 1013.0 mb (29.91 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 30 Jun 9:53 pm EDT
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 22 °C

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 29. Southwest wind 8 to 11 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 29 °C

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 1am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 20. Calm wind. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 20 °C

    Showers
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 31. Northwest wind 3 to 8 km/h.

    High: 31 °C

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °C

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 32. Chance of precipitation is 20%.

    High: 32 °C

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17.

    Low: 17 °C

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 31.

    High: 31 °C

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17.

    Low: 17 °C

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 29. Southwest wind 8 to 11 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 1am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 20. Calm wind. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 31. Northwest wind 3 to 8 km/h.
Wednesday Night
Mostly clear, with a low around 18. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 32. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 17.
Independence Day
Sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny and hot, with a high near 34.
Sunday Night
Partly cloudy, with a low around 22.
Monday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 33. 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:
8:13 pm EDT Jun 30, 2025
Forecast Valid:
10pm EDT Jun 30, 2025-6pm EDT Jul 7, 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