Hazardous Weather Conditions
Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Light Snow Fog/Mist
29°F
-2°C
| Humidity | 96% |
| Wind Speed | E 3 mph |
| Barometer | 30.00 in (1016.2 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 1.50 mi |
| Last update | 5 Dec 10:52 pm EST |
Extended Forecast for
Vienna VA
Winter Weather Advisory December 5, 11:03pm until December 6, 01:00am
NOW until 1:00am Sat

Winter Weather Advisory
Tonight

Low: 27 °F
Wintry Mix
and Patchy
FogSaturday
High: 42 °F
Patchy Fog
then Partly
SunnySaturday Night

Low: 27 °F
Partly Cloudy
Sunday

High: 42 °F
Partly Sunny
Sunday Night

Low: 28 °F
Mostly Cloudy
Monday

High: 34 °F
Partly Sunny
Monday Night

Low: 19 °F
Partly Cloudy
Tuesday

High: 37 °F
Mostly Sunny
Detailed Forecast
Tonight
Freezing rain, possibly mixed with snow before 1am, then a slight chance of freezing rain. Patchy fog. Low around 27. Calm wind. Chance of precipitation is 80%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 42. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 27. Light and variable wind.
Sunday
Partly sunny, with a high near 42. Calm wind becoming south around 5 mph.
Sunday Night
Mostly cloudy, with a low around 28. Calm wind becoming northwest 5 to 8 mph after midnight.
Monday
Partly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 45.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 29. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 42.
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)
10:41 pm EST Dec 5, 2025
11pm EST Dec 5, 2025-6pm EST Dec 12, 2025



