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.

Fog/Mist

1°C

33°F

Humidity 96%
Wind Speed SE 6 km/h
Barometer 1022.5 mb (30.19 in)
Dewpoint 0°C (32°F)
Visibility 10 km
Last update 16 Feb 11:52 pm EST
Extended Forecast for

3 Miles NNW Mc Lean VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 2. Calm wind.

    Low: 2 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 13. Calm wind.

    High: 13 °C

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 6. Calm wind.

    Low: 6 °C

    Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 16. Southwest wind 8 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 20%.

    High: 16 °C

    Cloudy then
    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7. Southwest wind 5 to 13 km/h.

    Low: 7 °C

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain, mainly after 1pm. Partly sunny, with a high near 15. Chance of precipitation is 40%.

    High: 15 °C

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 6. Chance of precipitation is 70%.

    Low: 6 °C

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 13. Chance of precipitation is 70%.

    High: 13 °C

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.

    Low: 5 °C

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 2. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 13. Calm wind.
Tuesday Night
Cloudy, with a low around 6. Calm wind.
Wednesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 16. Southwest wind 8 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 7. Southwest wind 5 to 13 km/h.
Thursday
A chance of rain, mainly after 1pm. Partly sunny, with a high near 15. Chance of precipitation is 40%.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 6. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 13. Chance of precipitation is 70%.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 11.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
A chance of rain and snow. Partly sunny, with a high near 6. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around -2.
Monday
Partly sunny, with a high near 4.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Mc Lean VA
 38.98°N 77.24°W (Elev. 98 m)
Last Update:
9:54 pm EST Feb 16, 2026
Forecast Valid:
12am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
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