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.

Overcast

47°F

8°C

Humidity 56%
Wind Speed S 12 mph
Barometer 29.54 in (1000.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Jan 3:52 pm EST
Extended Forecast for

Mc Lean VA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 53. South wind around 8 mph.

    High: 53 °F

    Cloudy

  • Tonight

    Tonight: A chance of rain before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 28. South wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 31. West wind around 17 mph, with gusts as high as 30 mph.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. West wind 9 to 14 mph, with gusts as high as 28 mph.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 36. West wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow showers before 1pm. Partly sunny, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 53. South wind around 8 mph.
Tonight
A chance of rain before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 28. South wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 31. West wind around 17 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 21. West wind 9 to 14 mph, with gusts as high as 28 mph.
Friday
Mostly sunny, with a high near 36. West wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A chance of rain and snow showers before 1pm. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 17.
M.L.King Day
Sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean VA
 38.95°N 77.19°W (Elev. 253 ft)
Last Update:
3:54 pm EST Jan 14, 2026
Forecast Valid:
4pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
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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