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

44°F

7°C

Humidity 47%
Wind Speed N 13 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 23 Mar 4:52 am EDT
Extended Forecast for

McLean VA

  • Today

    Today: Mostly sunny, with a high near 56. North wind around 6 mph becoming light and variable.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 2am. Cloudy, with a low around 44. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 66. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. West wind around 10 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. West wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm. Mostly sunny, with a high near 56. Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers

  • Wednesday Night

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

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 56. North wind around 6 mph becoming light and variable.
Tonight
Showers likely, mainly after 2am. Cloudy, with a low around 44. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 66. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 43. West wind around 10 mph.
Tuesday
Mostly sunny, with a high near 60. West wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Wednesday
A chance of showers before 2pm. Mostly sunny, with a high near 56. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
McLean VA
 38.93°N 77.19°W (Elev. 299 ft)
Last Update:
4:30 am EDT Mar 23, 2025
Forecast Valid:
5am EDT Mar 23, 2025-6pm EDT Mar 29, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation