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 >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

60°F

16°C

Humidity 78%
Wind Speed Calm
Barometer 30.39 in (1030.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 23 Sep 7:56 pm EDT
Extended Forecast for

2 Miles NNE Washington Grove MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Northeast wind around 9 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly 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 47. North wind 5 to 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 68. North wind 11 to 13 mph, with gusts as high as 25 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. North wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

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

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Northeast wind around 9 mph, with gusts as high as 20 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 47. North wind 5 to 8 mph.
Friday
Sunny, with a high near 68. North wind 11 to 13 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 52. North wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Washington Grove MD
 39.17°N 77.15°W (Elev. 515 ft)
Last Update:
7:53 pm EDT Sep 23, 2026
Forecast Valid:
8pm EDT Sep 23, 2026-6pm EDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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