Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

75°F

24°C

Humidity	75%
Wind Speed	SE 5 mph
Barometer	29.96 in (1014.8 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	26 Aug 7:55 pm EDT

More Information:

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

Extended Forecast for

2 Miles ESE Accokeek MD

Tonight
Low: 70 °F
Mostly Cloudy
Thursday
High: 89 °F
Chance
T-storms
Thursday Night
Low: 69 °F
Severe
Thunderstorms
and Patchy
Fog
Friday
High: 88 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 68 °F
Mostly Cloudy
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 71 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly cloudy, with a low around 70. Calm wind becoming southeast 5 to 8 mph in the evening.

Thursday

A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. South wind 6 to 9 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Some of the storms could be severe. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

Friday

A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Light north wind. Chance of precipitation is 20%.

Friday Night

Mostly cloudy, with a low around 68. Calm wind.

Saturday

Mostly sunny, with a high near 86.

Saturday Night

Mostly clear, with a low around 67.

Sunday

Sunny, with a high near 89.

Sunday Night

Mostly clear, with a low around 71.

Monday

Sunny, with a high near 93.