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.

Mostly Cloudy

51°F

11°C

Humidity 74%
Wind Speed E 5 mph
Barometer 30.45 in (1031.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 12 Apr 7:52 am EDT
Extended Forecast for

Vienna VA

  • Today

    Today: Mostly sunny, with a high near 72. East wind 6 to 11 mph becoming south in the morning. Winds could gust as high as 23 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Southeast wind around 11 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 85. Southwest wind around 14 mph, with gusts as high as 26 mph.

    High: 85 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. West wind 3 to 7 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 72. East wind 6 to 11 mph becoming south in the morning. Winds could gust as high as 23 mph.
Tonight
Mostly cloudy, with a low around 59. Southeast wind around 11 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 85. Southwest wind around 14 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 62. West wind 3 to 7 mph.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Mostly cloudy, with a low around 69.
Thursday
Partly sunny, with a high near 91.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 89.
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:
7:53 am EDT Apr 12, 2026
Forecast Valid:
8am EDT Apr 12, 2026-6pm EDT Apr 18, 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