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.

Overcast

71°F

22°C

Humidity 79%
Wind Speed SE 3 mph
Barometer 29.97 in (1015.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 26 Jul 1:53 am EDT
Extended Forecast for

Chambersburg PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. High near 83. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. Calm wind.
Sunday
A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 83. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
2:21 am EDT Jul 26, 2026
Forecast Valid:
2am EDT Jul 26, 2026-6pm EDT Aug 1, 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