National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

26°F

-3°C

Humidity 31%
Wind Speed NW 16 G 28 mph
Barometer 29.93 in (1013.9 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 1 Jan 9:52 am EST
Extended Forecast for

Vienna VA

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 32. Northwest wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. North wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41. Calm wind becoming west around 6 mph in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 38. Light and variable wind. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

Detailed Forecast

New Year's Day
Mostly sunny, with a high near 32. Northwest wind 10 to 15 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 24. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 41. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 26. Calm wind.
Saturday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 38. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly cloudy, with a high near 38.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
9:53 am EST Jan 1, 2026
Forecast Valid:
10am EST Jan 1, 2026-6pm EST Jan 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation