Hazardous Weather Conditions
Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Partly Cloudy
76°F
24°C
| Humidity | 77% |
| Wind Speed | E 9 mph |
| Barometer | 29.88 in (1011.5 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 22 Aug 6:52 pm EDT |
Extended Forecast for
Reston VA
Tonight
Low: 67 °F
Showers
LikelySunday
High: 84 °F
Mostly Sunny
Sunday Night
Low: 62 °F
Mostly Clear
Monday
High: 83 °F
Sunny
Monday Night
Low: 61 °F
Mostly Clear
Tuesday
High: 84 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 69 °F
Chance
Showers
Detailed Forecast
Tonight
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 67. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 84. West wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 62. West wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 83. Light west wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 61. Northwest wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Reston VA
38.96°N 77.33°W (Elev. 325 ft)
38.96°N 77.33°W (Elev. 325 ft)
4:53 pm EDT Aug 22, 2026
6pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
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