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

95°F

35°C

Humidity 44%
Wind Speed SW 7 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 15 Jul 3:53 pm EDT
Extended Forecast for

Chambersburg PA

Heat Advisory July 15, 04:27pm until July 15, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 15, 04:27pm until July 15, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 72 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke. Mostly sunny and hot, with a high near 95. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 95 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Widespread smoke, mainly after 10pm. Partly cloudy, with a low around 67. Northwest wind around 6 mph becoming calm after midnight.

    Low: 67 °F

    Smoke

  • Friday

    Friday: Widespread smoke, mainly before 2pm. Mostly sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Smoke

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 2am. Areas of smoke. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Areas Smoke
    then Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 90. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    Heavy Rain

  • Sunday

    Sunday: A chance of showers before 8am. Partly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Tonight
Patchy smoke after 10pm. Partly cloudy, with a low around 72. West wind 5 to 8 mph becoming calm in the evening.
Thursday
Patchy smoke. Mostly sunny and hot, with a high near 95. Calm wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
Widespread smoke, mainly after 10pm. Partly cloudy, with a low around 67. Northwest wind around 6 mph becoming calm after midnight.
Friday
Widespread smoke, mainly before 2pm. Mostly sunny and hot, with a high near 92. Calm wind.
Friday Night
A chance of showers and thunderstorms after 2am. Areas of smoke. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 90. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 70. Chance of precipitation is 80%.
Sunday
A chance of showers before 8am. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 88.
Monday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 86.
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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:
2:56 pm EDT Jul 15, 2026
Forecast Valid:
4pm EDT Jul 15, 2026-6pm EDT Jul 22, 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