Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Partly Cloudy
70°F
21°C
| Humidity | 68% |
| Wind Speed | Calm |
| Barometer | 30.06 in (1017.8 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 21 Aug 8:52 pm EDT |
Extended Forecast for
3 Miles NNW Chantilly VA
Tonight
Low: 64 °F
Mostly Cloudy
then Chance
Showers and
Patchy FogSaturday
High: 79 °F
Showers and
Patchy FogSaturday Night
Low: 66 °F
Chance
T-storms then
Chance
ShowersSunday
High: 83 °F
Mostly Sunny
Sunday Night
Low: 62 °F
Mostly Clear
Monday
High: 82 °F
Sunny
Monday Night
Low: 60 °F
Mostly Clear
Tuesday
High: 82 °F
Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Detailed Forecast
Tonight
A chance of showers after 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. High near 79. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 83. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 62. Northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NNW Chantilly VA
38.91°N 77.42°W (Elev. 348 ft)
38.91°N 77.42°W (Elev. 348 ft)
7:52 pm EDT Aug 21, 2026
8pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
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