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.

Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed SE 3 mph
Barometer 30.15 in (1022.4 mb)
Dewpoint 44°F (7°C)
Visibility 2.50 mi
Last update 7 Mar 9:53 am EST
Extended Forecast for

3 Miles NW Mercersburg PA

  • Today

    Today: A chance of showers, mainly after 3pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 65. South wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 59. Southwest wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly before 7am. Mostly cloudy, with a high near 65. West wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Partly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers, mainly after 3pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 65. South wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 59. Southwest wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, mainly before 7am. Mostly cloudy, with a high near 65. West wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 42. Calm wind.
Monday
Sunny, with a high near 70. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 48.
Tuesday
Sunny, with a high near 75.
Tuesday Night
A chance of showers after 1am. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Thursday
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly cloudy, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Mercersburg PA
 39.87°N 77.93°W (Elev. 686 ft)
Last Update:
7:33 am EST Mar 7, 2026
Forecast Valid:
10am EST Mar 7, 2026-6pm EDT Mar 13, 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