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.

Fair

69°F

21°C

Humidity 61%
Wind Speed S 3 mph
Barometer 30.05 in (1018.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Apr 10:53 pm EDT
Extended Forecast for

3 Miles SSW Mercersburg PA

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Light west wind.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. Light southwest wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 89. West wind 3 to 8 mph. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. Light west wind.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 65. Light southwest wind.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 89. West wind 3 to 8 mph. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 65. Calm wind.
Thursday
Partly sunny, with a high near 89.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
A chance of showers before 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 60.
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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:
10:16 pm EDT Apr 13, 2026
Forecast Valid:
11pm EDT Apr 13, 2026-6pm EDT Apr 20, 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