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Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

44°F

7°C

Humidity 76%
Wind Speed Calm
Barometer 30.05 in (1018.8 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Feb 9:53 pm EST
Extended Forecast for

3 Miles SSW Mercersburg PA

  • Tonight

    Tonight: Widespread dense fog before 11pm, then widespread dense fog after midnight. Otherwise, cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Dense Fog

  • Wednesday

    Wednesday: A chance of rain, mainly before 3pm. Widespread dense fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 58. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 58 °F

    Chance Rain
    and Dense Fog

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain. Low around 41. East wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain

  • Friday

    Friday: Rain, mainly before 1pm. High near 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Partly cloudy, with a low around 34. Chance of precipitation is 40%.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Widespread dense fog before 11pm, then widespread dense fog after midnight. Otherwise, cloudy, with a low around 39. Calm wind.
Wednesday
A chance of rain, mainly before 3pm. Widespread dense fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 58. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 41. East wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 1pm. High near 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 53.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 34. Chance of precipitation is 40%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Mercersburg PA
 39.78°N 77.94°W (Elev. 551 ft)
Last Update:
8:16 pm EST Feb 17, 2026
Forecast Valid:
10pm EST Feb 17, 2026-6pm EST Feb 24, 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