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

72°F

22°C

Humidity 48%
Wind Speed S 16 mph
Barometer 29.60 in (1002.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 22 Mar 6:52 pm EDT
Extended Forecast for

McLean VA

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 52. South wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Isolated
    T-storms then
    Showers

  • Monday

    Monday: Showers, mainly before 9am. High near 59. Northwest wind 9 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. Northwest wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. North wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. South wind 3 to 7 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 52. South wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, mainly before 9am. High near 59. Northwest wind 9 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 32. Northwest wind 11 to 16 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 51. North wind 5 to 8 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 38. South wind 3 to 7 mph.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly cloudy, with a high near 67.
Thursday Night
A chance of rain after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McLean VA
 38.93°N 77.19°W (Elev. 299 ft)
Last Update:
6:35 pm EDT Mar 22, 2026
Forecast Valid:
7pm EDT Mar 22, 2026-6pm EDT Mar 29, 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