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.

Fog/Mist

72°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1018.2 mb)
Dewpoint 71°F (22°C)
Visibility 2.75 mi
Last update 28 Jun 4:55 am EDT
Extended Forecast for

Accokeek MD

  • Overnight

    Overnight: Areas of drizzle. Cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Areas Drizzle

  • Saturday

    Saturday: Areas of drizzle before 8am. Cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 91 °F

    Areas Drizzle
    then Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Light northwest wind. Chance of precipitation is 30%.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 70%.

    High: 90 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Areas of drizzle. Cloudy, with a low around 72. Calm wind.
Saturday
Areas of drizzle before 8am. Cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Light northwest wind. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.
Tuesday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 71.
Independence Day
Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.67°N 77.03°W (Elev. 148 ft)
Last Update:
4:29 am EDT Jun 28, 2025
Forecast Valid:
5am EDT Jun 28, 2025-6pm EDT Jul 4, 2025
 
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