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

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Fair

68°F

20°C

Humidity 73%
Wind Speed S 10 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 23 Aug 1:52 am EDT
Extended Forecast for

McLean VA

  • Overnight

    Overnight: Clear, with a low around 62. South wind around 6 mph.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. South wind 5 to 9 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. South wind 7 to 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 85. South wind around 8 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 62. South wind around 6 mph.
Saturday
Sunny, with a high near 83. South wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 67. South wind 7 to 10 mph.
Sunday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 85. South wind around 8 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 81.
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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:
1:30 am EDT Aug 23, 2025
Forecast Valid:
2am EDT Aug 23, 2025-6pm EDT Aug 29, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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