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

64°F

18°C

Humidity 76%
Wind Speed N 7 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 20 Aug 02:30 AM PDT
Extended Forecast for

North Seattle WA

  • Overnight

    Overnight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. North northwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 80 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm.

    Low: 61 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. North northwest wind around 5 mph becoming calm in the evening.
Friday
Increasing clouds, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 72.
Saturday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 58.
Sunday
Mostly cloudy, with a high near 72.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Seattle WA
 47.74°N 122.33°W (Elev. 400 ft)
Last Update:
11:26 pm PDT Aug 19, 2026
Forecast Valid:
3am PDT Aug 20, 2026-6pm PDT Aug 26, 2026
 
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Additional Resources

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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