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

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

26°F

-3°C

Humidity 84%
Wind Speed Calm
Barometer 30.10 in (1021.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 3 Dec 8:56 pm EST
Extended Forecast for

4 Miles N Brookeville MD

  • Tonight

    Tonight: Mostly clear, with a low around 25. Light and variable wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Cloudy, then gradual clearing during the afternoon, with a high near 40. Northwest wind 6 to 15 mph, with gusts as high as 28 mph.

    High: 40 °F

    Clearing Late

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 19. Northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 19 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 32. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 50%.

    High: 32 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow, mixing with freezing rain after 10pm, then gradually ending. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Light and variable wind.
Thursday
Cloudy, then gradual clearing during the afternoon, with a high near 40. Northwest wind 6 to 15 mph, with gusts as high as 28 mph.
Thursday Night
Increasing clouds, with a low around 19. Northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Friday
A chance of snow. Cloudy, with a high near 32. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 50%.
Friday Night
A chance of snow, mixing with freezing rain after 10pm, then gradually ending. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Brookeville MD
 39.23°N 77.08°W (Elev. 509 ft)
Last Update:
6:52 pm EST Dec 3, 2025
Forecast Valid:
8pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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