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

72°F

22°C

Humidity 52%
Wind Speed SW 12 mph
Barometer 29.73 in (1006.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 27 Mar 1:52 am EDT
Extended Forecast for

Chantilly VA

  • Overnight

    Overnight: Scattered showers, mainly after 3am. Cloudy, with a low around 53. Southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 53 °F

    Scattered
    Showers

  • Friday

    Friday: Showers, mainly before 5pm. Temperature falling to around 47 by 5pm. North wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F⇓

    Showers

  • Friday Night

    Friday Night: Scattered showers, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 32. North wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Scattered
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers, mainly after 3am. Cloudy, with a low around 53. Southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Friday
Showers, mainly before 5pm. Temperature falling to around 47 by 5pm. North wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Scattered showers, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 32. North wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 67.
Monday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chantilly VA
 38.88°N 77.43°W (Elev. 299 ft)
Last Update:
2:12 am EDT Mar 27, 2026
Forecast Valid:
2am EDT Mar 27, 2026-6pm EDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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