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Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

47°F

8°C

Humidity 88%
Wind Speed Calm
Barometer 30.00 in (1016.2 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 10 Mar 1:55 am EDT
Extended Forecast for

Fairfax VA

  • Overnight

    Overnight: Mostly clear, with a low around 50. Light west wind.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 60. Southwest wind around 6 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 80. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before midnight, then a slight chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 52. South wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 52 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 5pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 54 °F

    Showers
    Likely and
    Breezy then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55. Breezy.

    High: 55 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Light west wind.
Tuesday
Sunny, with a high near 79. Calm wind becoming south 5 to 9 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 60. Southwest wind around 6 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 80. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers before midnight, then a slight chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 52. South wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Thursday
Rain showers likely before 5pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 55. Breezy.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Showers. Low around 47. Chance of precipitation is 80%.
Monday
Showers. High near 56. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.83°N 77.29°W (Elev. 348 ft)
Last Update:
1:54 am EDT Mar 10, 2026
Forecast Valid:
2am EDT Mar 10, 2026-6pm EDT Mar 16, 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