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.

Fair

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 30.02 in (1016.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 14 Jul 10:55 pm EDT
Extended Forecast for

Occoquan VA

  • Tonight

    Tonight: Scattered showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 74. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Heat index values as high as 100. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 76. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 50%.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 74. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Heat index values as high as 100. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 76. South wind around 6 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Occoquan VA
 38.69°N 77.26°W (Elev. 59 ft)
Last Update:
7:30 pm EDT Jul 14, 2025
Forecast Valid:
11pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation