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Tukwila, WA Marine Weather Forecast

Today - 49°F
Dec 04, 2025
7 mph S
Light Rain
Rain. Cloudy. High near 49, with temperatures falling to around 47 in the afternoon. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Tonight - 46°F
Dec 04, 2025
3 to 12 mph S
Light Rain
Rain. Cloudy. Low around 46, with temperatures rising to around 50 overnight. South wind 3 to 12 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday - 55°F
Dec 05, 2025
12 to 15 mph SSW
Light Rain
Rain. Cloudy. High near 55, with temperatures falling to around 53 in the afternoon. South southwest wind 12 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday Night - 48°F
Dec 05, 2025
10 to 15 mph SW
Light Rain
Rain. Cloudy, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Saturday - 52°F
Dec 06, 2025
12 mph SSW
Light Rain
Rain. Cloudy, with a high near 52. South southwest wind around 12 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night - 48°F
Dec 06, 2025
9 mph S
Light Rain
Rain. Cloudy, with a low around 48. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday - 54°F
Dec 07, 2025
8 to 13 mph S
Light Rain
Rain. Cloudy, with a high near 54.
Sunday Night - 49°F
Dec 07, 2025
12 mph SSW
Light Rain
Rain. Mostly cloudy, with a low around 49.
Monday - 56°F
Dec 08, 2025
10 to 14 mph S
Rain
Rain. Cloudy, with a high near 56.
Monday Night - 50°F
Dec 08, 2025
14 to 18 mph SSW
Rain
Rain. Cloudy, with a low around 50.
Tuesday - 54°F
Dec 09, 2025
9 to 14 mph SSW
Rain
Rain. Cloudy, with a high near 54.
Tuesday Night - 47°F
Dec 09, 2025
10 mph S
Rain
Rain. Cloudy, with a low around 47.
Wednesday - 52°F
Dec 10, 2025
10 mph SSW
Light Rain
Rain. Cloudy, with a high near 52.
Wednesday Night - 47°F
Dec 10, 2025
9 mph SSW
Light Rain
Rain. Mostly cloudy, with a low around 47.

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