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

67°F

19°C

Humidity 68%
Wind Speed N 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 28 Aug 12:30 PM PDT
Extended Forecast for

Seattle WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Light west northwest wind.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Rain, mainly after 4am. Low around 55. North wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Slight Chance
    Rain then
    Rain

  • Saturday

    Saturday: Rain and thunderstorms likely before 3pm, then a chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 69. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Calm wind becoming south around 5 mph after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 70. South wind 3 to 5 mph.

    High: 70 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Light west northwest wind.
Tonight
Rain, mainly after 4am. Low around 55. North wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain and thunderstorms likely before 3pm, then a chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 69. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 54. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 70. South wind 3 to 5 mph.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 56.
Wednesday
Rain. Mostly cloudy, with a high near 66.
Wednesday Night
Rain. Mostly cloudy, with a low around 54.
Thursday
A chance of rain. Mostly cloudy, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seattle WA
 47.63°N 122.33°W (Elev. 39 ft)
Last Update:
12:35 pm PDT Aug 28, 2026
Forecast Valid:
1pm PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
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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