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.

Overcast

46°F

8°C

Humidity 96%
Wind Speed Calm
Barometer 29.87 in (1011.6 mb)
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Last update 10 Jan 5:52 pm EST
Extended Forecast for

Sterling VASimilar City Names

  • This Afternoon

    This Afternoon: A chance of rain. Cloudy, with a high near 47. Northeast wind around 5 mph. Chance of precipitation is 50%.

    High: 47 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain, mainly before 1am. Mostly cloudy, with a low around 36. Light and variable wind becoming west 6 to 11 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow showers between 1pm and 4pm. Mostly sunny, with a high near 44. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Northwest wind 13 to 17 mph, with gusts as high as 36 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 50.

    High: 50 °F

    Cloudy

Detailed Forecast

This Afternoon
A chance of rain. Cloudy, with a high near 47. Northeast wind around 5 mph. Chance of precipitation is 50%.
Tonight
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 36. Light and variable wind becoming west 6 to 11 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Sunday
A slight chance of rain and snow showers between 1pm and 4pm. Mostly sunny, with a high near 44. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 29. Northwest wind 13 to 17 mph, with gusts as high as 36 mph.
Monday
Sunny, with a high near 45. West wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Cloudy, with a high near 50.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sterling VASimilar City Names
 38.99°N 77.41°W (Elev. 325 ft)
Last Update:
3:53 pm EST Jan 10, 2026
Forecast Valid:
5pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

Radar & Satellite Image

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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