National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Surf and Rip Currents Along East Coast Beaches; Hazardous Heat in the West

Tropical storm conditions, storm surge flooding and coastal flooding will continue into Thursday across the Outer Banks and into portions of the Mid-Atlantic coastline. Life-threatening rip currents and high surf will continue to impact much of the Atlantic shoreline through the end of the week. Hazardous, record heat will continue across the Western U.S. through the weekend. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Light Rain

70°F

21°C

Humidity 90%
Wind Speed NE 20 G 25 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 21 Aug 3:52 am EDT
Extended Forecast for

Mc Lean VA

  • Overnight

    Overnight: Isolated showers. Cloudy, with a low around 67. Northeast wind around 8 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Isolated
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 75. North wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 75 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North wind 5 to 9 mph.

    Low: 63 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 83. North wind around 6 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. East wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 8am. Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Overnight
Isolated showers. Cloudy, with a low around 67. Northeast wind around 8 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 75. North wind 11 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North wind 5 to 9 mph.
Friday
Sunny, with a high near 83. North wind around 6 mph.
Friday Night
Clear, with a low around 61. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 77.
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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:
1:49 am EDT Aug 21, 2025
Forecast Valid:
4am EDT Aug 21, 2025-6pm EDT Aug 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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