Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

75°F

24°C

Humidity	46%
Wind Speed	Vrbl 3 mph
Barometer	30.32 in (1026.6 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Last update	15 Sep 5:52 pm EDT

More Information:

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

Extended Forecast for

Reston VA

Tonight
Low: 59 °F
Clear
Wednesday
High: 86 °F
Sunny
Wednesday Night
Low: 65 °F
Mostly Clear
Thursday
High: 89 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 70 °F
Chance
Showers
Friday
High: 84 °F
Mostly Sunny
Friday Night
Low: 63 °F
Partly Cloudy
Saturday
High: 80 °F
Partly Sunny
Saturday Night
Low: 65 °F
Mostly Cloudy

Detailed Forecast

Tonight

Clear, with a low around 59. Southeast wind around 6 mph.

Wednesday

Sunny, with a high near 86. South wind 3 to 6 mph.

Wednesday Night

Mostly clear, with a low around 65. South wind 3 to 6 mph.

Thursday

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 89. South wind 3 to 6 mph. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. South wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 84.

Friday Night

Partly cloudy, with a low around 63.

Saturday

Partly sunny, with a high near 80.

Saturday Night

Mostly cloudy, with a low around 65.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.