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.

Fair

32°F

0°C

Humidity 35%
Wind Speed NW 14 mph
Barometer 30.25 in (1024.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 17 Mar 10:52 pm EDT
Extended Forecast for

McLean VA

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 42. Calm wind becoming south around 6 mph in the afternoon.

    High: 42 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. South wind 3 to 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. South wind 3 to 7 mph.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain. Mostly cloudy, with a low around 39. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 42. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 30. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 54. South wind 3 to 7 mph.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 39. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 70.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McLean VA
 38.95°N 77.19°W (Elev. 253 ft)
Last Update:
7:53 pm EDT Mar 17, 2026
Forecast Valid:
10pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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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