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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

51°F

11°C

Humidity 98%
Wind Speed N 7 mph
Barometer 30.41 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 24 Sep 2:35 am EDT
Extended Forecast for

Green Valley MD

  • Overnight

    Overnight: Partly cloudy, with a low around 49. Northeast wind around 8 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. North wind 5 to 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 69. North wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. North wind around 10 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 49. Northeast wind around 8 mph.
Thursday
Partly sunny, with a high near 64. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 45. North wind 5 to 7 mph.
Friday
Sunny, with a high near 69. North wind 10 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 51. North wind around 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Green Valley MD
 39.33°N 77.24°W (Elev. 607 ft)
Last Update:
2:23 am EDT Sep 24, 2026
Forecast Valid:
2am EDT Sep 24, 2026-6pm EDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation