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.

Fair

92°F

33°C

Humidity 52%
Wind Speed SW 3 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 22 Jun 1:53 pm EDT
Extended Forecast for

Chambersburg PA

Extreme Heat Warning until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until June 25, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 95 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Light west wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 30%.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 95. Heat index values as high as 106. West wind around 6 mph.
Tonight
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Light west wind.
Tuesday
Sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
12:57 pm EDT Jun 22, 2025
Forecast Valid:
2pm EDT Jun 22, 2025-6pm EDT Jun 28, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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