National Weather Service

News Headlines

Our Forecaster Discussions have changed format to focus on Key Messages.
2026 NWS Baltimore/Washington summer student volunteer application period is now open

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Overcast

51°F

11°C

Humidity	36%
Wind Speed	Calm
Barometer	29.68 in (1005.4 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	14 Jan 3:55 am EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles SE Accokeek MD

Today
High: 54 °F
Mostly Cloudy
Tonight
Low: 27 °F
Chance Rain
then
Rain/Snow
Likely
Thursday
High: 32 °F
Mostly Sunny
Thursday Night
Low: 20 °F
Mostly Clear
Friday
High: 37 °F
Mostly Sunny
Friday Night
Low: 30 °F
Partly Cloudy
Saturday
High: 45 °F
Chance
Rain/Snow
Saturday Night
Low: 25 °F
Mostly Cloudy
Sunday
High: 34 °F
Partly Sunny

Detailed Forecast

Today

Mostly cloudy, with a high near 54. South wind 7 to 9 mph.

Tonight

Rain likely before 3am, then a chance of rain and snow between 3am and 4am, then a slight chance of snow after 4am. Cloudy, with a low around 27. South wind 9 to 18 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday

Mostly sunny, with a high near 32. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.

Thursday Night

Mostly clear, with a low around 20. West wind 9 to 15 mph, with gusts as high as 25 mph.

Friday

Mostly sunny, with a high near 37. South wind 6 to 13 mph, with gusts as high as 21 mph.

Friday Night

Partly cloudy, with a low around 30.

Saturday

A chance of rain and snow before 1pm. Partly sunny, with a high near 45. Chance of precipitation is 30%.

Saturday Night

Mostly cloudy, with a low around 25.