National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

58°F

14°C

Humidity 20%
Wind Speed W 16 G 23 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 14 Mar 2:52 pm EDT
Extended Forecast for

Dulles VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. West wind around 11 mph, with gusts as high as 22 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Light and variable wind becoming east around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers. Low around 53. Southeast wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 71. Breezy, with a south wind 16 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 100%.

    High: 71 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers likely, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. West wind around 11 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 39. Light and variable wind becoming east around 5 mph after midnight.
Sunday
Partly sunny, with a high near 59. Southeast wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Showers. Low around 53. Southeast wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 71. Breezy, with a south wind 16 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 100%.
Monday Night
Rain showers likely, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 28. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dulles VA
 38.9°N 77.34°W (Elev. 367 ft)
Last Update:
1:53 pm EDT Mar 14, 2026
Forecast Valid:
2pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation