Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

69°F

21°C

Humidity 41%
Wind Speed NA
Barometer 29.88 in (1011.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 21 Mar 3:52 pm EDT
Extended Forecast for

Washington-Dulles International Airport VA

  • Tonight

    Tonight: Partly cloudy, with a low around 48. East wind around 6 mph becoming south after midnight.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 84. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Increasing clouds, with a low around 50. Southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 8am, then a slight chance of rain between 8am and 2pm.  Cloudy through mid morning, then gradual clearing, with a high near 57. Northwest wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers
    Likely then
    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. East wind around 6 mph becoming south after midnight.
Sunday
Partly sunny, with a high near 84. South wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 50. Southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before 8am, then a slight chance of rain between 8am and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 57. Northwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 33. North wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 66.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly sunny, with a high near 53. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington-Dulles International Airport VA
 38.95°N 77.44°W (Elev. 285 ft)
2:23 pm EDT Mar 21, 2026
4pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
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