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

68°F

20°C

Humidity 76%
Wind Speed Calm
Barometer 29.85 in (1011.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 25 May 2:53 am EDT
Extended Forecast for

Mercersburg PA

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    T-storms
    Likely

  • Memorial Day

    Memorial Day: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8am. High near 81. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    T-storms
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Calm wind.
Saturday
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Memorial Day
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8am. High near 81. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 60. Chance of precipitation is 80%.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
A chance of showers. Mostly sunny, with a high near 73. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercersburg PA
 39.82°N 77.9°W (Elev. 600 ft)
Last Update:
2:09 am EDT May 25, 2024
Forecast Valid:
3am EDT May 25, 2024-6pm EDT May 31, 2024
 
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