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.

Light Rain

44°F

7°C

Humidity 79%
Wind Speed NE 8 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 38°F (3°C)
Visibility 6.00 mi
Wind Chill39°F (4°C)
Last update 27 Mar 5:52 pm EDT
Extended Forecast for

3 Miles NNW Mc Lean VA

  • Tonight

    Tonight: A chance of rain showers and flurries before 2am, then a chance of flurries after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 31. Light north wind becoming northwest 5 to 9 mph after midnight. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. Northwest wind around 11 mph, with gusts as high as 25 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59. South wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain showers and flurries before 2am, then a chance of flurries after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 31. Light north wind becoming northwest 5 to 9 mph after midnight. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 49. Northwest wind around 11 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 31. Light and variable wind.
Sunday
Mostly sunny, with a high near 59. South wind 6 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 47. Southwest wind around 10 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A chance of rain after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Mc Lean VA
 38.98°N 77.24°W (Elev. 98 ft)
Last Update:
4:54 pm EDT Mar 27, 2026
Forecast Valid:
6pm EDT Mar 27, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation