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

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

44°F

7°C

Humidity 85%
Wind Speed Calm
Barometer 30.02 in (1016.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 10 Mar 4:52 am EDT
Extended Forecast for

3 Miles NNW Chantilly VA

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 59. South wind around 6 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 79. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before midnight, then a slight chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 51. South wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 5pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 53. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 53 °F

    Showers
    Likely and
    Breezy then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Friday

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

    High: 55 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming south 5 to 9 mph in the afternoon.
Tonight
Increasing clouds, with a low around 59. South wind around 6 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 79. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday Night
A slight chance of showers before midnight, then a slight chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 51. South wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain showers likely before 5pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 53. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 55. Breezy.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Showers. Low around 47. Chance of precipitation is 80%.
Monday
Showers. High near 55. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Chantilly VA
 38.91°N 77.42°W (Elev. 348 ft)
Last Update:
4:53 am EDT Mar 10, 2026
Forecast Valid:
5am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation