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.

Partly Cloudy

45°F

7°C

Humidity 68%
Wind Speed S 5 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 Mar 8:52 am EDT
Extended Forecast for

Washington-Dulles International Airport VA

  • Today

    Today: Increasing clouds, with a high near 70. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 70 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 48. Southwest wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 63. North wind around 8 mph.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. East wind around 5 mph becoming light and variable.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Slight Chance
    Rain then
    Chance Rain

  • Monday

    Monday: A chance of rain before 2pm. Partly sunny, with a high near 61. Chance of precipitation is 30%.

    High: 61 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 70. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Showers likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 48. Southwest wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 63. North wind around 8 mph.
Saturday Night
Partly cloudy, with a low around 45. East wind around 5 mph becoming light and variable.
Sunday
Partly sunny, with a high near 76. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
A chance of rain, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Monday
A chance of rain before 2pm. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington-Dulles International Airport VA
 38.93°N 77.45°W (Elev. 299 ft)
Last Update:
7:53 am EDT Mar 20, 2026
Forecast Valid:
9am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation