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

70°F

21°C

Humidity 73%
Wind Speed S 7 mph
Barometer 29.93 in (1014.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 14 Oct 12:53 am EDT
Extended Forecast for

Chambersburg PA

  • Overnight

    Overnight: Clear, with a low around 64. South wind 3 to 5 mph.

    Low: 64 °F

    Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Increasing clouds, with a high near 84. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 55. North wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 11am. Partly sunny, with a high near 66. Northeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 11pm and 2am. Cloudy, with a low around 55. South wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am, then showers likely after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

Detailed Forecast

Overnight
Clear, with a low around 64. South wind 3 to 5 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Increasing clouds, with a high near 84. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 55. North wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers after 11am. Partly sunny, with a high near 66. Northeast wind around 6 mph becoming calm in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly between 11pm and 2am. Cloudy, with a low around 55. South wind 3 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers before 8am, then showers likely after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely before 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 55.
Saturday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 35.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
1:00 am EDT Oct 14, 2026
Forecast Valid:
1am EDT Oct 14, 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