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

56°F

13°C

Humidity 51%
Wind Speed Vrbl 6 mph
Barometer 30.21 in (1023.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 8 Jan 1:52 pm EST
Extended Forecast for

Vienna VA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 54. South wind 3 to 5 mph.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. South wind 3 to 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 4pm. Increasing clouds, with a high near 56. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 56 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 48. South wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 56. Northeast wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 100%.

    High: 56 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 54. South wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 39. South wind 3 to 6 mph.
Friday
A chance of rain, mainly after 4pm. Increasing clouds, with a high near 56. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 48. South wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 56. Northeast wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 100%.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 42. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
12:53 pm EST Jan 8, 2026
Forecast Valid:
2pm EST Jan 8, 2026-6pm EST Jan 14, 2026
 
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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