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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

59°F

15°C

Humidity 34%
Wind Speed N 12 G 23 mph
Barometer 30.23 in (1024.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 17 Oct 4:55 pm EDT
Extended Forecast for

Fairfax Station VA

  • Tonight

    Tonight: Clear, with a low around 37. North wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 58. North wind 6 to 8 mph.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Light north wind.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. North wind 7 to 9 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. North wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 37. North wind 6 to 11 mph, with gusts as high as 24 mph.
Sunday
Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 58. North wind 6 to 8 mph.
Sunday Night
Clear, with a low around 39. Light north wind.
Monday
Sunny, with a high near 63. North wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 45. North wind 7 to 9 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax Station VA
 38.81°N 77.33°W (Elev. 387 ft)
Last Update:
4:53 pm EDT Oct 17, 2026
Forecast Valid:
5pm EDT Oct 17, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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