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.

Fair

67°F

19°C

Humidity 59%
Wind Speed Calm
Barometer 29.79 in (1009.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 9 May 5:53 pm EDT
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly between 2pm and 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 40%.

    High: 75 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a chance of showers after 3am. Increasing clouds, with a low around 47. Light north wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Partly cloudy, with a low around 47. Chance of precipitation is 30%.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, mainly after 8am. High near 68. Chance of precipitation is 90%.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers before 2am. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms, mainly between 2pm and 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 1am, then a chance of showers after 3am. Increasing clouds, with a low around 47. Light north wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 66.
Tuesday Night
A chance of showers after 2am. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Wednesday
Showers, mainly after 8am. High near 68. Chance of precipitation is 90%.
Wednesday Night
Showers before 2am. Low around 48. Chance of precipitation is 80%.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
5:46 pm EDT May 9, 2026
Forecast Valid:
6pm EDT May 9, 2026-6pm EDT May 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation