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

63°F

17°C

Humidity 48%
Wind Speed S 12 mph
Barometer 30.44 in (1030.6 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Apr 10:52 am EDT
Extended Forecast for

Dulles VA

  • Today

    Today: Mostly sunny, with a high near 73. South wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 85. Southwest wind around 14 mph, with gusts as high as 26 mph.

    High: 85 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. Southwest wind 3 to 7 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. South wind 8 to 11 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 59. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 85. Southwest wind around 14 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 62. Southwest wind 3 to 7 mph.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
Partly sunny, with a high near 91.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dulles VA
 38.9°N 77.34°W (Elev. 367 ft)
Last Update:
10:53 am EDT Apr 12, 2026
Forecast Valid:
11am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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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