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

77°F

25°C

Humidity 60%
Wind Speed S 7 mph
Barometer 29.91 in (1013.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Oct 7:53 pm EDT
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind 3 to 7 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers. Mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 56. North wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly after 7am. Mostly cloudy, with a high near 67. Northeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 2am. Cloudy, with a low around 58. Light south wind increasing to 5 to 9 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53. Breezy.

    High: 53 °F

    Sunny and
    Breezy

  • 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

Detailed Forecast

Tonight
Mostly clear, with a low around 64. South wind 3 to 7 mph.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 56. North wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, mainly after 7am. Mostly cloudy, with a high near 67. Northeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly before 2am. Cloudy, with a low around 58. Light south wind increasing to 5 to 9 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 53. Breezy.
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 61.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 68.
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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:
8:05 pm EDT Oct 13, 2026
Forecast Valid:
8pm EDT Oct 13, 2026-6pm EDT Oct 20, 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