Washington Dulles Airport (IAD) Weather 08/31/2025
Tonight
62
Partly Cloudy
Friday
83
Sunny
Friday Night
61
Mostly Clear
Saturday
83
Sunny
Saturday Night
67
Partly Cloudy then Slight Chance Showers
Sunday
85
Slight Chance Showers then Chance Showers
Sunday Night
65
Chance Showers
Monday
82
Mostly Sunny
Monday Night
60
Mostly Clear
Tuesday
78
Mostly Sunny
Tuesday Night
56
Mostly Clear
Wednesday
76
Sunny
Wednesday Night
55
Mostly Clear
Weekly Forecast
Tonight
Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 83. North wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 61. Light and variable wind becoming southeast around 5 mph.
Saturday
Sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 67. South wind 6 to 9 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 55.