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.

Overcast

39°F

4°C

Humidity 36%
Wind Speed NW 15 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Mar 10:55 am EDT
Extended Forecast for

Merrifield VA

  • Today

    Today: Partly sunny, with a high near 41. West wind around 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of snow showers before 10pm. Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Calm wind becoming south around 6 mph in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Southeast wind around 6 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53. South wind around 6 mph.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 41. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of snow showers before 10pm. Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 42. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 31. Southeast wind around 6 mph.
Thursday
Partly sunny, with a high near 53. South wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 61.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 69.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 55.
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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 am EDT Mar 17, 2026
Forecast Valid:
11am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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