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.

Overcast

32°F

0°C

Humidity 69%
Wind Speed S 8 mph
Barometer 29.84 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 26 Dec 5:53 pm EST
Extended Forecast for

3 Miles N Mercersburg PA

Winter Weather Advisory December 26, 05:58pm until December 27, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 26, 05:58pm until December 27, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • This Afternoon

    High: 33 °F

    Chance Wintry
    Mix

  • Tonight

    Tonight: Rain or freezing rain, becoming all rain after 8pm, then gradually ending. Low around 32. South wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.

    Low: 32 °F

    Rain/Freezing
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41. North wind around 5 mph becoming calm in the afternoon.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 28. Calm wind.

    Low: 28 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of rain and snow showers before 10am, then rain showers likely. Cloudy, with a high near 44. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Slight Chance
    Rain/Snow
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Cloudy, with a low around 41. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely before 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of freezing rain and sleet. Cloudy, with a high near 33. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Total daytime sleet accumulation of less than a half inch possible.
Tonight
Rain or freezing rain, becoming all rain after 8pm, then gradually ending. Low around 32. South wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.
Saturday
Partly sunny, with a high near 41. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
Increasing clouds, with a low around 28. Calm wind.
Sunday
A slight chance of rain and snow showers before 10am, then rain showers likely. Cloudy, with a high near 44. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Showers likely, mainly after 1am. Cloudy, with a low around 41. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely before 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 33. Breezy.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
Partly sunny, with a high near 32.
Thursday Night
Mostly clear, with a low around 16.
Friday
Sunny, with a high near 28.
Basemap Options
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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:
3:31 pm EST Dec 26, 2025
Forecast Valid:
5pm EST Dec 26, 2025-6pm EST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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