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.

Mostly Cloudy

77°F

25°C

Humidity 39%
Wind Speed N 16 G 24 mph
Barometer 30.13 in (1019.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 1 Jul 2:52 pm EDT
Extended Forecast for

Chantilly VA

  • Tonight

    Tonight: Mostly clear, with a low around 59. North wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southeast wind 5 to 8 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88. South wind 5 to 9 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. South wind 7 to 9 mph.

    Low: 70 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 96. Chance of precipitation is 50%.

    High: 96 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 50%.

    High: 95 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 59. North wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 85. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. Southeast wind 5 to 8 mph.
Wednesday
Sunny, with a high near 88. South wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 70. South wind 7 to 9 mph.
Independence Day
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 96. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Chantilly VA
 38.88°N 77.4°W (Elev. 358 ft)
Last Update:
1:30 pm EDT Jul 1, 2024
Forecast Valid:
3pm EDT Jul 1, 2024-6pm EDT Jul 8, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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