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.

Overcast

59°F

15°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.99 in (1015.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 6 May 5:52 am EDT
Extended Forecast for

3 Miles NW Chantilly VA

  • Today

    Today: Scattered showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 77 °F

    Scattered
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Isolated showers before 8pm, then scattered showers after 11pm. Mostly cloudy, with a low around 55. Light and variable wind. Chance of precipitation is 30%.

    Low: 55 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind 6 to 10 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Northwest wind 3 to 6 mph. Chance of precipitation is 70%.

    High: 77 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 2pm. Mostly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 40%.
Tonight
Isolated showers before 8pm, then scattered showers after 11pm. Mostly cloudy, with a low around 55. Light and variable wind. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 76. Northwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 55. Calm wind.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Northwest wind 3 to 6 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Friday
A chance of showers before 2pm. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Chantilly VA
 38.91°N 77.45°W (Elev. 262 ft)
Last Update:
5:13 am EDT May 6, 2025
Forecast Valid:
6am EDT May 6, 2025-6pm EDT May 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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