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

30°F

-1°C

Humidity 54%
Wind Speed E 9 mph
Barometer 30.59 in (1037.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 2 Mar 9:53 am EST
Extended Forecast for

3 Miles N Mercersburg PA

Winter Weather Advisory March 3, 01:00am until March 3, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A chance of snow showers, mainly before 3pm. Cloudy, with a high near 35. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%.

    High: 35 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A chance of rain, snow, freezing rain, and sleet before 3am, then snow showers likely, possibly mixed with rain showers and freezing rain between 3am and 4am, then rain and snow showers after 4am. Low around 30. Calm wind. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

    Low: 30 °F

    Mostly Cloudy
    then Wintry
    Mix

  • Tuesday

    Tuesday: Rain, snow, and freezing rain, becoming all rain after 10am. High near 44. Calm wind becoming south around 5 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Wintry Mix
    then Rain

  • Tuesday Night

    Tuesday Night: Showers. Low around 40. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers. Cloudy, with a high near 54. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 1am. Cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of snow showers, mainly before 3pm. Cloudy, with a high near 35. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%.
Tonight
A chance of rain, snow, freezing rain, and sleet before 3am, then snow showers likely, possibly mixed with rain showers and freezing rain between 3am and 4am, then rain and snow showers after 4am. Low around 30. Calm wind. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Tuesday
Rain, snow, and freezing rain, becoming all rain after 10am. High near 44. Calm wind becoming south around 5 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Tuesday Night
Showers. Low around 40. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers. Cloudy, with a high near 54. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Mercersburg PA
 39.87°N 77.9°W (Elev. 564 ft)
Last Update:
10:22 am EST Mar 2, 2026
Forecast Valid:
10am EST Mar 2, 2026-6pm EDT Mar 8, 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