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

31°C

88°F

Humidity 34%
Wind Speed SE 15 km/h
Barometer 1026.6 mb (30.33 in)
Dewpoint 13°C (56°F)
Visibility 16 km
Heat Index30°C (86°F)
Last update 19 Jun 2:52 pm EDT
Extended Forecast for

Vienna VA

  • Tonight

    Tonight: Partly cloudy, with a low around 19. South wind 6 to 11 km/h becoming light after midnight.

    Low: 19 °C

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33. South wind 5 to 10 km/h.

    High: 33 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. South wind 8 to 10 km/h.

    Low: 21 °C

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 36. South wind 5 to 8 km/h.

    High: 36 °C

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. South wind 5 to 10 km/h.

    Low: 23 °C

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 37. Chance of precipitation is 20%.

    High: 37 °C

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °C

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny and hot, with a high near 38.

    High: 38 °C

    Hot

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °C

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. South wind 6 to 11 km/h becoming light after midnight.
Thursday
Mostly sunny, with a high near 33. South wind 5 to 10 km/h.
Thursday Night
Partly cloudy, with a low around 21. South wind 8 to 10 km/h.
Friday
Sunny and hot, with a high near 36. South wind 5 to 8 km/h.
Friday Night
Mostly clear, with a low around 23. South wind 5 to 10 km/h.
Saturday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 37. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Partly sunny and hot, with a high near 38.
Sunday Night
Showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 33. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms. Mostly clear, with a low around 21. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Mostly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 m)
Last Update:
1:30 pm EDT Jun 19, 2024
Forecast Valid:
3pm EDT Jun 19, 2024-6pm EDT Jun 26, 2024
 
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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