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.

Partly Cloudy

46°F

8°C

Humidity 86%
Wind Speed E 6 mph
Barometer 30.42 in (1030.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 12 Apr 6:52 am EDT
Extended Forecast for

Vienna VA

  • Today

    Today: Mostly sunny, with a high near 74. East wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 87. Southwest wind 13 to 18 mph, with gusts as high as 31 mph.

    High: 87 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 91 °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 74. East wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 58. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 87. Southwest wind 13 to 18 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Southwest wind 6 to 14 mph, with gusts as high as 23 mph. 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
4:53 am EDT Apr 12, 2026
Forecast Valid:
7am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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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