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.

Rain Fog/Mist

18°C

64°F

Humidity 96%
Wind Speed E 9 km/h
Barometer 1018.2 mb (30.07 in)
Dewpoint 17°C (63°F)
Visibility 4.83 km
Last update 16 Jun 2:52 am EDT
Extended Forecast for

Vienna VA

Flood Warning June 16, 03:37am until June 16, 06:15am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning June 16, 03:37am until June 16, 06:15am

    NOW until 6:15am Mon

    Flood Warning

  • Overnight

    Low: 17 °C

    Scattered
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 22. Northeast wind around 11 km/h. Chance of precipitation is 30%.

    High: 22 °C

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 19. East wind 5 to 8 km/h. Chance of precipitation is 40%.

    Low: 19 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 28. South wind 8 to 11 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 28 °C

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 22. South wind 8 to 10 km/h. Chance of precipitation is 60%.

    Low: 22 °C

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 40%.

    High: 32 °C

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °C

    Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 34. Chance of precipitation is 60%.

    High: 34 °C

    Sunny then
    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers. Patchy fog. Otherwise, cloudy, with a low around 17. East wind around 13 km/h. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 22. Northeast wind around 11 km/h. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 19. East wind 5 to 8 km/h. Chance of precipitation is 40%.
Tuesday
A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 28. South wind 8 to 11 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 22. South wind 8 to 10 km/h. Chance of precipitation is 60%.
Wednesday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 23. Chance of precipitation is 30%.
Juneteenth
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 34. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 20. Chance of precipitation is 60%.
Friday
Sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 35.
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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 m)
Last Update:
1:29 am EDT Jun 16, 2025
Forecast Valid:
3am EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
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