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

88°F

31°C

Humidity 48%
Wind Speed W 12 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 11 Aug 4:52 pm EDT
Extended Forecast for

Mc Lean VA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 87. West wind around 6 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 3am. Mostly cloudy, with a low around 70. West wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 87. Northwest wind 3 to 6 mph.

    High: 87 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. West wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 88 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 87. West wind around 6 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 3am. Mostly cloudy, with a low around 70. West wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 87. Northwest wind 3 to 6 mph.
Wednesday Night
A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.
Thursday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. West wind 3 to 7 mph. Chance of precipitation is 40%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean VA
 38.95°N 77.19°W (Elev. 253 ft)
Last Update:
4:53 pm EDT Aug 11, 2026
Forecast Valid:
5pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation