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

46°F

8°C

Humidity 54%
Wind Speed SW 6 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 25 Dec 9:52 am EST
Extended Forecast for

Vienna VA

  • Christmas Day

    Christmas Day: Scattered showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 54 °F

    Scattered
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. North wind 6 to 9 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sleet likely after 1pm. Increasing clouds, with a high near 34. Northeast wind 5 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New sleet accumulation of less than a half inch possible.

    High: 34 °F

    Mostly Cloudy
    then Sleet
    Likely

  • Friday Night

    Friday Night: Rain and sleet, becoming all rain after 10pm. Low around 33. Southeast wind 5 to 8 mph becoming northeast after midnight. Chance of precipitation is 80%. New sleet accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Sleet
    then Rain

  • Saturday

    Saturday: Patchy drizzle before 10am, then a slight chance of rain between 10am and 1pm. Mostly cloudy, with a high near 44. North wind around 7 mph. Chance of precipitation is 20%.

    High: 44 °F

    Patchy
    Drizzle

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Cloudy, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Cloudy then
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: A chance of rain before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.

    High: 56 °F

    Chance Rain

Detailed Forecast

Christmas Day
Scattered showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Tonight
Partly cloudy, with a low around 28. North wind 6 to 9 mph.
Friday
Sleet likely after 1pm. Increasing clouds, with a high near 34. Northeast wind 5 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New sleet accumulation of less than a half inch possible.
Friday Night
Rain and sleet, becoming all rain after 10pm. Low around 33. Southeast wind 5 to 8 mph becoming northeast after midnight. Chance of precipitation is 80%. New sleet accumulation of less than a half inch possible.
Saturday
Patchy drizzle before 10am, then a slight chance of rain between 10am and 1pm. Mostly cloudy, with a high near 44. North wind around 7 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
A chance of rain after 1pm. Cloudy, with a high near 48. Chance of precipitation is 30%.
Sunday Night
Rain likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
A chance of rain before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 39.
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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:
9:53 am EST Dec 25, 2025
Forecast Valid:
10am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation