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

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

36°F

2°C

Humidity 35%
Wind Speed N 6 mph
Barometer 30.13 in (1020.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 4 Jan 10:52 am EST
Extended Forecast for

Vienna VA

  • Today

    Today: Mostly sunny, with a high near 39. Northwest wind 8 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 45. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 45 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. South wind around 6 mph becoming calm after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 39. Northwest wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 45. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 35. South wind around 6 mph becoming calm after midnight.
Tuesday
Mostly cloudy, with a high near 53. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Saturday
A chance of rain. Partly sunny, with a high near 60. Chance of precipitation is 40%.
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:
9:58 am EST Jan 4, 2026
Forecast Valid:
11am EST Jan 4, 2026-6pm EST Jan 10, 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