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Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

41°F

5°C

Humidity 67%
Wind Speed W 3 mph
Barometer 29.72 in (1007.9 mb)
Dewpoint 31°F (-1°C)
Visibility 8.00 mi
Last update 6 Jan 5:53 pm EST
Extended Forecast for

3 Miles N Mercersburg PA

  • Tonight

    Tonight: A slight chance of light rain before 3am. Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 40. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Light Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. West wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 42. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain likely. Cloudy, with a high near 59. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Rain

  • Saturday Night

    Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of light rain before 3am. Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 40. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 52. West wind 6 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 34. Calm wind.
Thursday
Mostly sunny, with a high near 54. Light and variable wind.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 42. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely. Cloudy, with a high near 59. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 50. Chance of precipitation is 70%.
Saturday
Rain. High near 58. Chance of precipitation is 80%.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 47.
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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:
1:56 pm EST Jan 6, 2026
Forecast Valid:
6pm EST Jan 6, 2026-6pm EST Jan 13, 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