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

50°F

10°C

Humidity 24%
Wind Speed N 10 G 22 mph
Barometer 30.46 in (1031.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 28 Mar 4:52 pm EDT
Extended Forecast for

Vienna VA

  • Tonight

    Tonight: Clear, with a low around 32. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 32 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. South wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Southwest wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Mostly Sunny
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

Detailed Forecast

Tonight
Clear, with a low around 32. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Mostly sunny, with a high near 61. South wind 6 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 48. South wind around 11 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 71. Southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 59. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Rain likely after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Wednesday Night
Rain. Low around 48. Chance of precipitation is 80%.
Thursday
Rain likely, mainly after 2pm. Cloudy, with a high near 54. Chance of precipitation is 60%.
Thursday Night
Rain likely. Cloudy, with a low around 46. Chance of precipitation is 70%.
Friday
Rain likely. Cloudy, with a high near 53. Chance of precipitation is 70%.
Friday Night
Rain likely. Cloudy, with a low around 52. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
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:
4:53 pm EDT Mar 28, 2026
Forecast Valid:
5pm EDT Mar 28, 2026-6pm EDT Apr 4, 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