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

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

35°F

2°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 29.77 in (1010.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 2 Dec 5:56 pm EST
Extended Forecast for

Rossmoor MD

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. Northwest wind 5 to 8 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 40. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Northwest wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 40. Northwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 26. Calm wind.
Thursday
Partly sunny, with a high near 40. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 19. Northwest wind 5 to 8 mph becoming calm after midnight.
Friday
A chance of snow after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 30%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rossmoor MD
 39.09°N 77.08°W (Elev. 440 ft)
Last Update:
3:52 pm EST Dec 2, 2025
Forecast Valid:
6pm EST Dec 2, 2025-6pm EST Dec 9, 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