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

25°F

-4°C

Humidity 69%
Wind Speed NE 3 mph
Barometer 30.42 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 18 Mar 7:47 am EDT
Extended Forecast for

Green Valley MD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.

    High: 40 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Southeast wind 3 to 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. South wind 5 to 7 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely before 8am. Partly sunny, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 40. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 29. Southeast wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 51. South wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 36. Calm wind.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Saturday
Showers likely before 8am. Partly sunny, with a high near 64. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green Valley MD
 39.34°N 77.26°W (Elev. 548 ft)
Last Update:
7:53 am EDT Mar 18, 2026
Forecast Valid:
8am EDT Mar 18, 2026-6pm EDT Mar 24, 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