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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

65°F

18°C

Humidity 90%
Wind Speed Calm
Barometer 30.10 in (1019.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 4 Oct 1:55 pm EDT
Extended Forecast for

Fairfax Station VA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 66. Light northeast wind.

    High: 66 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 70. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 47. North wind around 6 mph.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. North wind around 5 mph becoming calm in the afternoon.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 66. Light northeast wind.
Tonight
Cloudy, with a low around 56. Calm wind.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 70. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 47. North wind around 6 mph.
Tuesday
Sunny, with a high near 65. North wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax Station VA
 38.79°N 77.33°W (Elev. 410 ft)
Last Update:
10:53 am EDT Oct 4, 2026
Forecast Valid:
2pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
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