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Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

44°F

7°C

Humidity 91%
Wind Speed NW 3 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 42°F (6°C)
Visibility 9.00 mi
Last update 10 Mar 3:55 am EDT
Extended Forecast for

Accokeek MD

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind around 6 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 79. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before midnight, then a slight chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 53. South wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 55. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Friday Night

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

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 62. South wind around 6 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 79. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers before midnight, then a slight chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 53. South wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 55. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Showers. Low around 46. Chance of precipitation is 80%.
Monday
Showers. High near 58. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Accokeek MD
 38.68°N 77°W (Elev. 62 ft)
Last Update:
1:54 am EDT Mar 10, 2026
Forecast Valid:
4am EDT Mar 10, 2026-6pm EDT Mar 16, 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