National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

40°F

4°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 6 Dec 4:52 pm EST
Extended Forecast for

McLean VA

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. Calm wind becoming north 5 to 9 mph after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 33. North wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. North wind around 6 mph becoming calm in the evening.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. Light and variable wind.
Sunday
Partly sunny, with a high near 42. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 27. Calm wind becoming north 5 to 9 mph after midnight.
Monday
Partly sunny, with a high near 33. North wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 18. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 46.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McLean VA
 38.92°N 77.16°W (Elev. 299 ft)
Last Update:
4:19 pm EST Dec 6, 2025
Forecast Valid:
5pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation