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.

Partly Cloudy

31°F

-1°C

Humidity 56%
Wind Speed W 14 G 22 mph
Barometer 30.04 in (1019.1 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 28 Nov 2:56 am EST
Extended Forecast for

Brookeville MD

  • Overnight

    Overnight: Mostly clear, with a low around 28. West wind around 14 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. West wind 15 to 18 mph, with gusts as high as 36 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 24. West wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 41. West wind around 6 mph becoming calm in the afternoon.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 28. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 43. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 28. West wind around 14 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 40. West wind 15 to 18 mph, with gusts as high as 36 mph.
Friday Night
Clear, with a low around 24. West wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 41. West wind around 6 mph becoming calm in the afternoon.
Saturday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 28. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.
Sunday
Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 43. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 40.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Tuesday
Rain and snow likely, becoming all rain after 1pm. Cloudy, with a high near 38. Chance of precipitation is 60%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brookeville MD
 39.18°N 77.06°W (Elev. 446 ft)
Last Update:
12:53 am EST Nov 28, 2025
Forecast Valid:
3am EST Nov 28, 2025-6pm EST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation