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

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

32°F

0°C

Humidity 92%
Wind Speed N 6 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 30°F (-1°C)
Visibility 8.00 mi
Wind Chill26°F (-3°C)
Last update 8 Dec 2:52 am EST
Extended Forecast for

Mc Lean VA

  • Overnight

    Overnight: Cloudy, with a low around 29. North wind 6 to 8 mph.

    Low: 29 °F

    Cloudy

  • Monday

    Monday: A chance of snow, mainly between noon and 3pm. Cloudy, with a high near 31. Northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 18. North wind around 6 mph becoming calm in the evening.

    Low: 18 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. South wind around 9 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 29. North wind 6 to 8 mph.
Monday
A chance of snow, mainly between noon and 3pm. Cloudy, with a high near 31. Northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 18. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 36. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 30. South wind around 9 mph.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 40.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean VA
 38.95°N 77.19°W (Elev. 253 ft)
Last Update:
12:53 am EST Dec 8, 2025
Forecast Valid:
2am EST Dec 8, 2025-6pm EST Dec 14, 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