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.

Fair

81°F

27°C

Humidity 32%
Wind Speed S 9 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Mar 12:52 pm EDT
Extended Forecast for

Dulles VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. South wind 5 to 7 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of rain before 3pm, then a chance of rain after 4pm. Partly sunny, with a high near 81. South wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 2am. Increasing clouds, with a low around 42. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday

    Thursday: Rain likely before 5pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 52. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 52 °F

    Rain Likely
    and Breezy
    then
    Rain/Snow
    Likely

  • Thursday Night

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

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 55. Breezy.

    High: 55 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. South wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 60. South wind around 6 mph.
Wednesday
A chance of rain before 3pm, then a chance of rain after 4pm. Partly sunny, with a high near 81. South wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday Night
Rain likely, mainly after 2am. Increasing clouds, with a low around 42. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely before 5pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 52. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 32.
Friday
Partly sunny, with a high near 55. Breezy.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Mostly cloudy, with a high near 67.
Sunday Night
Rain likely. Cloudy, with a low around 51. Chance of precipitation is 70%.
Monday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dulles VA
 38.9°N 77.34°W (Elev. 367 ft)
Last Update:
12:04 pm EDT Mar 10, 2026
Forecast Valid:
1pm EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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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