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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

79°F

26°C

Humidity 50%
Wind Speed E 4 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 59°F (15°C)
Visibility NA
Heat Index80°F (27°C)
Last update 19 Aug 03:30 PM PDT
Extended Forecast for

Clyde Hill WA

  • Tonight

    Tonight: Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 82 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Light north northeast wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 82. Light north northwest wind.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 61. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 61 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Light and variable wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 60. Light north northeast wind.
Friday
Partly sunny, with a high near 82. Light north northwest wind.
Friday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 61. Calm wind becoming south southwest around 6 mph after midnight.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Mostly cloudy, with a high near 74.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clyde Hill WA
 47.62°N 122.2°W (Elev. 187 ft)
Last Update:
11:26 am PDT Aug 19, 2026
Forecast Valid:
4pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
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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