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.

Partly Cloudy

34°F

1°C

Humidity 50%
Wind Speed NW 6 mph
Barometer 30.34 in (1028.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 24 Mar 1:53 am EDT
Extended Forecast for

3 Miles SSW Mercersburg PA

  • Overnight

    Overnight: Partly cloudy, with a low around 30. Northwest wind around 8 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Sunny

  • Tuesday Night

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

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. South wind 3 to 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 20%.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 59. Chance of precipitation is 80%.

    High: 59 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. Northwest wind around 8 mph.
Tuesday
Sunny, with a high near 51. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 34. Calm wind.
Wednesday
Mostly cloudy, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 45. South wind 3 to 5 mph.
Thursday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 20%.
Thursday Night
Rain, mainly after 2am. Low around 51. Chance of precipitation is 80%.
Friday
Rain, mainly before 8am. High near 59. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Mercersburg PA
 39.78°N 77.94°W (Elev. 551 ft)
Last Update:
2:05 am EDT Mar 24, 2026
Forecast Valid:
2am EDT Mar 24, 2026-6pm EDT Mar 30, 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