National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Partly Cloudy

83°F

28°C

Humidity 41%
Wind Speed SW 14 G 20 mph
Barometer 29.98 in (1015.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Apr 12:53 pm EDT
Extended Forecast for

3 Miles SSW Mercersburg PA

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 85. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after midnight. Partly cloudy, with a low around 65. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 88 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 85. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after midnight. Partly cloudy, with a low around 65. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 66. Calm wind.
Thursday
Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the morning.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 59.
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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:
8:05 am EDT Apr 14, 2026
Forecast Valid:
12pm EDT Apr 14, 2026-6pm EDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation