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.

29°F

-2°C

Humidity 89%
Wind Speed Calm
Barometer 30.14 in (1021.0 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 13 Mar 1:55 am EDT
Extended Forecast for

Occoquan VA

  • Overnight

    Overnight: Mostly clear, with a low around 31. Light west wind.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 55. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 55 °F

    Sunny then
    Decreasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Southwest wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. West wind 7 to 10 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. East wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 20%.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain after 8pm. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Rain

  • Monday

    Monday: Rain likely, then rain and possibly a thunderstorm after 2pm. High near 72. Breezy. Chance of precipitation is 100%.

    High: 72 °F

    Breezy. Rain
    Likely then
    Rain

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before 8pm, then rain likely between 8pm and 2am. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Light west wind.
Friday
Increasing clouds, with a high near 55. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.
Friday Night
Mostly clear, with a low around 41. Southwest wind 9 to 16 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 59. West wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 41. East wind 3 to 5 mph.
Sunday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 20%.
Sunday Night
Rain after 8pm. Low around 53. Chance of precipitation is 90%.
Monday
Rain likely, then rain and possibly a thunderstorm after 2pm. High near 72. Breezy. Chance of precipitation is 100%.
Monday Night
Rain and possibly a thunderstorm before 8pm, then rain likely between 8pm and 2am. Low around 32. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Occoquan VA
 38.69°N 77.26°W (Elev. 59 ft)
Last Update:
1:53 am EDT Mar 13, 2026
Forecast Valid:
2am EDT Mar 13, 2026-6pm EDT Mar 19, 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