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

67°F

19°C

Humidity 76%
Wind Speed N 7 mph
Barometer 30.16 in (1021.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 29 Aug 1:53 am EDT
Extended Forecast for

3 Miles NW Mercersburg PA

  • Overnight

    Overnight: Partly cloudy, with a low around 58. North wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. South wind around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. North wind around 6 mph.
Saturday
Sunny, with a high near 80. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 86. South wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 68. Calm wind.
Monday
Partly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 69.
Tuesday
Partly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Mercersburg PA
 39.87°N 77.95°W (Elev. 997 ft)
Last Update:
2:21 am EDT Aug 29, 2026
Forecast Valid:
2am EDT Aug 29, 2026-6pm EDT Sep 4, 2026
 
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