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

S144TH TUKWILA (T144T)

Lat: 47.4748°NLon: 122.2704°WElev: 165.0ft.

NA

72°F

22°C

Humidity 56%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility 1.10 mi
Last update 27 Aug 06:14 PM PDT
Extended Forecast for

Tukwila WA

  • Tonight

    Tonight: Increasing clouds, with a low around 59. Southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 59 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 74. Light south wind.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly after 4am. Cloudy, with a low around 57. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 71. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 56. Light south wind.

    Low: 56 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

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

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 59. Southwest wind 5 to 9 mph becoming calm in the evening.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 74. Light south wind.
Friday Night
Rain likely, mainly after 4am. Cloudy, with a low around 57. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 71. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 56. Light south wind.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 72.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 56.
Wednesday
Rain likely. Mostly cloudy, with a high near 68.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 55.
Thursday
A chance of rain. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tukwila WA
 47.47°N 122.25°W (Elev. 197 ft)
Last Update:
12:56 pm PDT Aug 27, 2026
Forecast Valid:
6pm PDT Aug 27, 2026-6pm PDT Sep 3, 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