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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

47°F

8°C

Humidity 39%
Wind Speed Calm
Barometer 30.05 in (1017.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 13 Nov 6:55 pm EST
Extended Forecast for

Mount Vernon VA

  • Tonight

    Tonight: Clear, with a low around 36. West wind 3 to 6 mph.

    Low: 36 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 58. Calm wind becoming west 5 to 8 mph in the morning.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 55. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 36. West wind 3 to 6 mph.
Friday
Sunny, with a high near 58. Calm wind becoming west 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 43. Calm wind.
Saturday
Mostly cloudy, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 55. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A chance of rain after 1pm. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.72°N 77.11°W (Elev. 36 ft)
Last Update:
6:53 pm EST Nov 13, 2025
Forecast Valid:
7pm EST Nov 13, 2025-6pm EST Nov 20, 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