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

86°F

30°C

Humidity 43%
Wind Speed Vrbl 6 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Jul 12:53 pm EDT
Extended Forecast for

3 Miles NW Mercersburg PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. West wind around 6 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 83. Light north wind.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Light south wind.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 84. West wind around 6 mph.
Tonight
Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.
Independence Day
Sunny, with a high near 83. Light north wind.
Friday Night
Mostly clear, with a low around 61. Calm wind.
Saturday
Sunny, with a high near 84. Light south wind.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 67.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
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:
3 Miles NW Mercersburg PA
 39.87°N 77.95°W (Elev. 997 ft)
Last Update:
6:27 am EDT Jul 3, 2025
Forecast Valid:
1pm EDT Jul 3, 2025-6pm EDT Jul 9, 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