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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

63°F

17°C

Humidity 75%
Wind Speed SW 2 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 27 Aug 09:30 PM PDT
Extended Forecast for

Shoreline WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly after 2am. Cloudy, with a low around 55. North northwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 69. Light south southwest wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. Light and variable wind.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind.
Friday Night
Rain likely, mainly after 2am. Cloudy, with a low around 55. North northwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 69. Light south southwest wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 54. Light and variable wind.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
A chance of rain after 11am. Mostly cloudy, with a high near 70.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 55.
Wednesday
Rain likely. Mostly cloudy, with a high near 67.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 54.
Thursday
A chance of rain. Mostly cloudy, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shoreline WA
 47.76°N 122.33°W (Elev. 400 ft)
Last Update:
12:56 pm PDT Aug 27, 2026
Forecast Valid:
10pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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