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

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

61°F

16°C

Humidity 100%
Wind Speed N 6 mph
Barometer 30.13 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Aug 6:47 am EDT
Extended Forecast for

Green Valley MD

  • Today

    Today: Mostly sunny, with a high near 79. North wind around 6 mph becoming calm in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 64. Calm wind. Chance of precipitation is 30%.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 76. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly between 1am and 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 80. West wind 3 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

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

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. North wind around 6 mph becoming calm in the afternoon.
Tonight
A chance of showers, mainly after 4am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 64. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 76. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms, mainly between 1am and 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 80. West wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green Valley MD
 39.33°N 77.24°W (Elev. 607 ft)
Last Update:
7:52 am EDT Aug 21, 2026
Forecast Valid:
8am EDT Aug 21, 2026-6pm EDT Aug 27, 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