Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Partly Cloudy
73°F
23°C
| Humidity | 43% |
| Wind Speed | Calm |
| Barometer | 29.60 in (1002.2 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 22 Mar 11:52 pm EDT |
Extended Forecast for
Chantilly VA
Overnight
Low: 53 °F
Showers
Monday
High: 59 °F
Showers then
Mostly Sunny
and BreezyMonday Night
Low: 31 °F
Mostly Clear
Tuesday
High: 51 °F
Mostly Sunny
Tuesday Night
Low: 37 °F
Mostly Cloudy
Wednesday
High: 62 °F
Partly Sunny
Wednesday Night
Low: 45 °F
Mostly Cloudy
Thursday
High: 68 °F
Mostly Cloudy
Thursday Night
Low: 51 °F
Mostly Cloudy
then Chance
Rain
Detailed Forecast
Overnight
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 53. Southwest wind 7 to 13 mph becoming north. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, mainly before 9am. High near 59. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 31. Northwest wind 11 to 16 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 51. North wind 5 to 8 mph becoming light and variable in the morning.
Tuesday Night
Mostly cloudy, with a low around 37. South wind 3 to 7 mph.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly cloudy, with a high near 68.
Thursday Night
A chance of rain after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 57.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Chantilly VA
38.88°N 77.43°W (Elev. 299 ft)
38.88°N 77.43°W (Elev. 299 ft)
10:53 pm EDT Mar 22, 2026
12am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
