National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Partly Cloudy

51°F

11°C

Humidity 31%
Wind Speed NW 15 G 25 mph
Barometer 30.24 in (1025.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 20 Apr 4:53 pm EDT
Extended Forecast for

Chambersburg PA

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost after 2am. Otherwise, mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 9am. Otherwise, sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.

    High: 60 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Partly cloudy, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
Widespread frost after 2am. Otherwise, mostly clear, with a low around 29. Northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Widespread frost before 9am. Otherwise, sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Partly cloudy, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
Showers likely, mainly after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 40%.
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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:
3:41 pm EDT Apr 20, 2026
Forecast Valid:
5pm EDT Apr 20, 2026-6pm EDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation