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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

61°F

16°C

Humidity 26%
Wind Speed W 9 mph
Barometer 30.19 in (1023.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 4 Nov 2:56 pm EST
Extended Forecast for

Rossmoor MD

  • Tonight

    Tonight: Mostly clear, with a low around 40. West wind 5 to 7 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Southwest wind 6 to 15 mph, with gusts as high as 31 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. Northwest wind 11 to 16 mph, with gusts as high as 40 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Rain Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 69. Southwest wind 6 to 15 mph, with gusts as high as 31 mph.
Wednesday Night
Mostly clear, with a low around 43. Northwest wind 11 to 16 mph, with gusts as high as 40 mph.
Thursday
Sunny, with a high near 56. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 36. Calm wind.
Friday
Partly sunny, with a high near 61.
Friday Night
Rain likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A chance of rain. Partly sunny, with a high near 63. Chance of precipitation is 50%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 30.
Veterans Day
Mostly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rossmoor MD
 39.09°N 77.08°W (Elev. 440 ft)
Last Update:
12:29 pm EST Nov 4, 2025
Forecast Valid:
3pm EST Nov 4, 2025-6pm EST Nov 11, 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