National Weather Service

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

76°F

24°C

Humidity	72%
Wind Speed	N 5 mph
Barometer	30.16 in (1021.1 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	15 Aug 8:52 am EDT

More Information:

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

Extended Forecast for

Fairfax VA

Today
High: 86 °F
Mostly Sunny
Tonight
Low: 71 °F
Mostly Cloudy
then Chance
Showers
Sunday
High: 84 °F
Showers
Sunday Night
Low: 72 °F
T-storms
Likely then
Showers
Likely
Monday
High: 87 °F
Mostly Sunny
Monday Night
Low: 69 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 86. Light and variable wind.

Tonight

A slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.

Sunday

Showers and thunderstorms, mainly before 4pm. High near 84. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 72. South wind around 7 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Mostly sunny, with a high near 87. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

Monday Night

Mostly clear, with a low around 69.

Tuesday

Sunny, with a high near 85.

Tuesday Night

Mostly clear, with a low around 67.

Wednesday

Sunny, with a high near 88.

Wednesday Night

A slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 20%.