National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

A Few Clouds and Breezy

45°F

7°C

Humidity 39%
Wind Speed W 23 G 35 mph
Barometer 30.06 in (1019.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 22 Jan 9:53 am EST
Extended Forecast for

3 Miles S Mercersburg PA

Winter Storm Watch January 24, 10:00pm until January 26, 01:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Mostly sunny, with a high near 43. West wind 10 to 14 mph, with gusts as high as 33 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Light southwest wind.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36. Southwest wind 5 to 14 mph, with gusts as high as 26 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6. Wind chill values as low as -5. Northwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 18. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 18 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 12. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 12 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday

    Sunday: Snow. High near 19. Chance of precipitation is 100%.

    High: 19 °F

    Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.

    Low: 13 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 43. West wind 10 to 14 mph, with gusts as high as 33 mph.
Tonight
Partly cloudy, with a low around 25. Light southwest wind.
Friday
Mostly sunny, with a high near 36. Southwest wind 5 to 14 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 6. Wind chill values as low as -5. Northwest wind 7 to 10 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy, with a high near 18. Northwest wind around 6 mph becoming calm in the afternoon.
Saturday Night
Snow. The snow could be heavy at times. Low around 12. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Sunday
Snow. High near 19. Chance of precipitation is 100%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 3.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Partly cloudy, with a low around 9.
Wednesday
Partly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Mercersburg PA
 39.8°N 77.91°W (Elev. 600 ft)
Last Update:
7:06 am EST Jan 22, 2026
Forecast Valid:
9am EST Jan 22, 2026-6pm EST Jan 28, 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