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

63°F

17°C

Humidity 48%
Wind Speed SE 10 mph
Barometer 30.20 in (1023.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Apr 10:53 pm EDT
Extended Forecast for

3 Miles N Mercersburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. South wind around 6 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly between 11am and 3pm. Mostly cloudy, with a high near 77. Southwest wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, mainly after 2pm. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 8pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. South wind around 6 mph, with gusts as high as 20 mph.
Monday
A chance of showers, mainly between 11am and 3pm. Mostly cloudy, with a high near 77. Southwest wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers, mainly after 2pm. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Mercersburg PA
 39.87°N 77.9°W (Elev. 564 ft)
Last Update:
8:06 pm EDT Apr 12, 2026
Forecast Valid:
11pm EDT Apr 12, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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