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.

Mostly Cloudy

62°F

17°C

Humidity 72%
Wind Speed N 5 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 27 Mar 11:55 am EDT
Extended Forecast for

Merrifield VA

  • This Afternoon

    This Afternoon: Showers, mainly before 5pm. High near 63. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Showers

  • Tonight

    Tonight: A chance of rain showers and flurries before 2am, then a chance of flurries after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 31. North wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59. South wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers, mainly before 5pm. High near 63. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain showers and flurries before 2am, then a chance of flurries after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 31. North wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 49. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 31. Light and variable wind.
Sunday
Mostly sunny, with a high near 59. South wind 7 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A chance of rain. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merrifield VA
 38.87°N 77.26°W (Elev. 299 ft)
Last Update:
2:23 pm EDT Mar 27, 2026
Forecast Valid:
2pm EDT Mar 27, 2026-6pm EDT Apr 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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