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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Accokeek MD

  • This Afternoon

    This Afternoon: Rain. High near 49. East wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 2am. Cloudy, with a low around 40. Northwest wind 6 to 10 mph becoming west in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain and snow showers between 1pm and 4pm. Mostly sunny, with a high near 45. Breezy, with a west wind 10 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. West wind 11 to 16 mph, with gusts as high as 32 mph.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. West wind around 8 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain. High near 49. East wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 2am. Cloudy, with a low around 40. Northwest wind 6 to 10 mph becoming west in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain and snow showers between 1pm and 4pm. Mostly sunny, with a high near 45. Breezy, with a west wind 10 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 33. West wind 11 to 16 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 45. West wind around 8 mph.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.69°N 77.03°W (Elev. 115 ft)
Last Update:
3:53 pm EST Jan 10, 2026
Forecast Valid:
4pm EST Jan 10, 2026-6pm EST Jan 17, 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