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

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

41°F

5°C

Humidity 40%
Wind Speed NW 13 mph
Barometer 30.30 in (1026.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 24 Mar 12:55 am EDT
Extended Forecast for

Merrifield VA

  • Overnight

    Overnight: Mostly clear, with a low around 32. North wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Calm wind becoming south around 5 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 32. North wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 51. North wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. Calm wind becoming south around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 60. South wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 73.
Thursday Night
A chance of rain after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 64.
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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:
10:53 pm EDT Mar 23, 2026
Forecast Valid:
1am EDT Mar 24, 2026-6pm EDT Mar 30, 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