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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

A Few Clouds

81°F

27°C

Humidity 58%
Wind Speed N 9 mph
Barometer 30.10 in (1019.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Sep 4:53 pm EDT
Extended Forecast for

Keedysville MD

  • This Afternoon

    This Afternoon: Isolated showers. Partly sunny, with a high near 83. North wind around 10 mph. Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Northeast wind around 6 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 77. North wind 5 to 8 mph becoming east in the afternoon.

    High: 77 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Scattered showers after 2am. Mostly cloudy, with a low around 66. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, then showers and possibly a thunderstorm after 2pm. High near 81. South wind 9 to 13 mph. Chance of precipitation is 80%.

    High: 81 °F

    Scattered
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Isolated showers. Partly sunny, with a high near 83. North wind around 10 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 57. Northeast wind around 6 mph.
Saturday
Partly sunny, with a high near 77. North wind 5 to 8 mph becoming east in the afternoon.
Saturday Night
Scattered showers after 2am. Mostly cloudy, with a low around 66. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday
Scattered showers, then showers and possibly a thunderstorm after 2pm. High near 81. South wind 9 to 13 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 63. Chance of precipitation is 80%.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 63. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Friday
A slight chance of showers. Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Keedysville MD
 39.49°N 77.7°W (Elev. 449 ft)
Last Update:
4:53 pm EDT Sep 18, 2026
Forecast Valid:
5pm EDT Sep 18, 2026-6pm EDT Sep 25, 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