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.

Mostly Cloudy

80°F

27°C

Humidity 67%
Wind Speed NW 6 mph
Barometer 29.94 in (1014.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 14 Oct 5:53 pm EDT
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 56. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly between 3pm and 5pm. Partly sunny, with a high near 63. Northeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 2am. Cloudy, with a low around 57. South wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. South wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 45. Northwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 56. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 40%.
Thursday
A chance of showers, mainly between 3pm and 5pm. Partly sunny, with a high near 63. Northeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 30%.
Thursday Night
Showers likely, mainly before 2am. Cloudy, with a low around 57. South wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. South wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 45. Northwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 34.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
2:21 pm EDT Oct 14, 2026
Forecast Valid:
6pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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