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

42°F

6°C

Humidity 89%
Wind Speed Calm
Barometer 29.72 in (1006.7 mb)
Dewpoint 39°F (4°C)
Visibility 8.00 mi
Last update 6 Jan 7:52 pm EST
Extended Forecast for

Sterling VASimilar City Names

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Southwest wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Northwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind becoming south around 6 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 44. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 1pm. Cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 63. Chance of precipitation is 90%.

    High: 63 °F

    Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 56. Northwest wind 5 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 54. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 44. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
Rain likely, mainly after 1pm. Cloudy, with a high near 63. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 55. Chance of precipitation is 70%.
Saturday
Rain. High near 63. Chance of precipitation is 90%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sterling VASimilar City Names
 38.99°N 77.41°W (Elev. 325 ft)
Last Update:
6:53 pm EST Jan 6, 2026
Forecast Valid:
8pm EST Jan 6, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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