


Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Overcast
75°F
24°C
Humidity | 96% |
Wind Speed | Calm |
Barometer | 29.88 in (1011.5 mb) |
Dewpoint | 74°F (23°C) |
Visibility | 10.00 mi |
Last update | 20 Jul 2:52 am EDT |
Extended Forecast for
Vienna VA
Overnight
Low: 72 °F
Mostly Cloudy
Sunday
High: 91 °F
Mostly Sunny
then Isolated
T-stormsSunday Night
Low: 72 °F
Partly Cloudy
Monday
High: 85 °F
Mostly Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 83 °F
Sunny
Tuesday Night
Low: 65 °F
Mostly Clear
Wednesday
High: 84 °F
Mostly Sunny
Wednesday Night
Low: 66 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 72. Calm wind.
Sunday
Isolated showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 91. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 72. Northwest wind around 8 mph.
Monday
Mostly sunny, with a high near 85. North wind around 7 mph.
Monday Night
Mostly clear, with a low around 65. Northeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny and hot, with a high near 97.
Friday Night
Partly cloudy, with a low around 76.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Vienna VA
38.89°N 77.25°W (Elev. 348 ft)
38.89°N 77.25°W (Elev. 348 ft)
1:30 am EDT Jul 20, 2025
3am EDT Jul 20, 2025-6pm EDT Jul 26, 2025