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.

Mostly Cloudy

31°F

-1°C

Humidity 61%
Wind Speed SW 5 mph
Barometer 30.27 in (1026.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 12 Jan 6:53 am EST
Extended Forecast for

3 Miles NW Mercersburg PA

  • Today

    Today: Increasing clouds, with a high near 41. West wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 41 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 28. West wind around 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. South wind 3 to 6 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. South wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 47. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.

    High: 34 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 41. West wind 7 to 11 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 28. West wind around 5 mph.
Tuesday
Mostly sunny, with a high near 46. South wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South wind around 6 mph.
Wednesday
A chance of rain. Cloudy, with a high near 47. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Mercersburg PA
 39.87°N 77.95°W (Elev. 997 ft)
Last Update:
7:06 am EST Jan 12, 2026
Forecast Valid:
7am EST Jan 12, 2026-6pm EST Jan 18, 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