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Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

42°F

6°C

Humidity 68%
Wind Speed S 8 mph
Barometer 30.12 in (1020.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 28 Dec 11:55 am EST
Extended Forecast for

Merrifield VA

Wind Advisory December 29, 09:00am until December 30, 01:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: A chance of rain, mainly before 1pm. Cloudy, with a high near 44. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance Rain

  • Tonight

    Tonight: Cloudy, with a temperature rising to around 49 by 4am. South wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 41 °F⇑

    Cloudy

  • Monday

    Monday: A chance of rain, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 63. Breezy, with a southwest wind 15 to 22 mph becoming west in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 40%.

    High: 63 °F

    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Breezy, with a west wind 18 to 21 mph, with gusts as high as 40 mph.

    Low: 27 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Breezy, with a west wind 18 to 21 mph, with gusts as high as 38 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of rain, mainly before 1pm. Cloudy, with a high near 44. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tonight
Cloudy, with a temperature rising to around 49 by 4am. South wind 11 to 14 mph, with gusts as high as 29 mph.
Monday
A chance of rain, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 63. Breezy, with a southwest wind 15 to 22 mph becoming west in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 27. Breezy, with a west wind 18 to 21 mph, with gusts as high as 40 mph.
Tuesday
Mostly sunny, with a high near 35. Breezy, with a west wind 18 to 21 mph, with gusts as high as 38 mph.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 29.
New Year's Day
Mostly cloudy, with a high near 41.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrifield VA
 38.87°N 77.26°W (Elev. 299 ft)
Last Update:
9:53 am EST Dec 28, 2025
Forecast Valid:
12pm EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation