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.

Overcast

28°F

-2°C

Humidity 44%
Wind Speed N 8 mph
Barometer 30.25 in (1026.6 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 8 Dec 3:56 pm EST
Extended Forecast for

Rossmoor MD

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 16. Northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 16 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 34. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. South wind around 8 mph, with gusts as high as 18 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 45. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 16. Northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 34. Calm wind becoming south 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 28. South wind around 8 mph, with gusts as high as 18 mph.
Wednesday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 45. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 32. West wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 37.
Friday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 17.
Monday
Mostly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rossmoor MD
 39.09°N 77.08°W (Elev. 440 ft)
Last Update:
3:53 pm EST Dec 8, 2025
Forecast Valid:
4pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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