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

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

A Few Clouds

48°F

9°C

Humidity 70%
Wind Speed Calm
Barometer 30.06 in (1018.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 6 Apr 11:55 pm EDT
Extended Forecast for

Mount Vernon VA

Freeze Watch April 8, 12:00am until April 8, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Overnight

    Overnight: Mostly clear, with a low around 43. Light west wind.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 55 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Areas of frost after midnight. Otherwise, clear, with a low around 34. North wind 7 to 10 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northeast wind 6 to 8 mph becoming southeast in the afternoon.

    High: 55 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Southeast wind around 6 mph becoming calm after midnight.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Light west wind.
Tuesday
Sunny, with a high near 55. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
Areas of frost after midnight. Otherwise, clear, with a low around 34. North wind 7 to 10 mph.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northeast wind 6 to 8 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 36. Southeast wind around 6 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.74°N 77.11°W (Elev. 49 ft)
Last Update:
10:54 pm EDT Apr 6, 2026
Forecast Valid:
1am EDT Apr 7, 2026-6pm EDT Apr 13, 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