Cool and dry for much of the Central Plains and Rockies. Showers over the Great Lakes and Ohio Valley.

Unsettled weather conditions are likely across portions of the Great Lakes and Ohio Valley, with scattered to numerous showers. Expect cool and mostly dry conditions across much of the central U.S. and extending westward towards the Rocky Mountains. A few showers will be possible over the Pacific Northwest. Showers will also be possible over mountainous areas of Arizona and New Mexico. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

76°F

24°C

Humidity 39%
Wind Speed Vrbl 5 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 27 Sep 2:52 pm EDT
Extended Forecast for

Vienna VA

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 76. Light west wind.

    Mostly Sunny

    High: 76 °F

  • Tonight

    Tonight: A slight chance of showers after 2am.  Partly cloudy, with a low around 60. Light and variable wind.  Chance of precipitation is 20%.

    Partly Cloudy
    then Slight
    Chance
    Showers

    Low: 60 °F

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 73. Northeast wind 5 to 8 mph becoming east in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 73 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 63. East wind 5 to 7 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Showers

    Low: 63 °F

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 73. East wind 6 to 8 mph.  Chance of precipitation is 100%.

    Showers

    High: 73 °F

  • Thursday
    Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 62. Chance of precipitation is 80%.

    Showers

    Low: 62 °F

  • Friday

    Friday: Showers likely, mainly before 8am.  Partly sunny, with a high near 73. Chance of precipitation is 60%.

    Showers
    Likely

    High: 73 °F

  • Friday
    Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 59 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    Mostly Sunny

    High: 74 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 76. Light west wind.
Tonight
A slight chance of showers after 2am. Partly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 20%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Northeast wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 63. East wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers and possibly a thunderstorm. High near 73. East wind 6 to 8 mph. Chance of precipitation is 100%.
Thursday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Friday
Showers likely, mainly before 8am. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 74.
Click Map For Forecast
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
12:55 pm EDT Sep 27, 2016
2pm EDT Sep 27, 2016-6pm EDT Oct 3, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database