Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

68°F

20°C

Humidity 87%
Wind Speed SE 3 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 22 Aug 4:52 am EDT
Extended Forecast for

Washington-Dulles International Airport VA

  • Overnight

    Overnight: Scattered showers.  Cloudy, with a low around 64. Calm wind.  Chance of precipitation is 50%.

    Low: 64 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms before 4pm, then isolated showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 79. Calm wind becoming east around 6 mph in the afternoon.  Chance of precipitation is 50%.

    High: 79 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 66. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 83. West wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 83 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Northwest wind 3 to 7 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers. Cloudy, with a low around 64. Calm wind. Chance of precipitation is 50%.
Saturday
Scattered showers and thunderstorms before 4pm, then isolated showers and thunderstorms after 5pm. Mostly cloudy, with a high near 79. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 83. West wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 61. Northwest wind 3 to 7 mph.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Washington-Dulles International Airport VA
 38.95°N 77.44°W (Elev. 285 ft)
4:53 am EDT Aug 22, 2026
5am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database