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Tukwila, WA Marine Weather Forecast

This Afternoon - 54°F
Mar 03, 2026
14 mph SSW
Light Rain
Rain. Cloudy, with a high near 54. South southwest wind around 14 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 49°F
Mar 03, 2026
8 to 13 mph S
Light Rain
Rain. Cloudy, with a low around 49. South wind 8 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday - 54°F
Mar 04, 2026
8 mph SW
Showers And Thunderstorms
Rain likely before 10am, then showers and thunderstorms between 10am and 4pm, then rain. Mostly cloudy. High near 54, with temperatures falling to around 52 in the afternoon. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night - 44°F
Mar 04, 2026
6 mph SSE
Light Rain
Rain. Mostly cloudy, with a low around 44. South southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday - 50°F
Mar 05, 2026
6 mph S
Light Rain
Rain. Mostly cloudy, with a high near 50. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night - 45°F
Mar 05, 2026
7 mph SSE
Light Rain
Rain. Cloudy, with a low around 45. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Friday - 52°F
Mar 06, 2026
6 to 13 mph S
Light Rain
Rain. Cloudy, with a high near 52.
Friday Night - 49°F
Mar 06, 2026
13 mph S
Light Rain
Rain. Cloudy, with a low around 49.
Saturday - 54°F
Mar 07, 2026
12 to 17 mph SSW
Light Rain
Rain. Cloudy, with a high near 54.
Saturday Night - 50°F
Mar 07, 2026
10 to 17 mph SSW
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 50.
Sunday - 54°F
Mar 08, 2026
10 to 16 mph SSW
Light Rain
Rain. Cloudy, with a high near 54.
Sunday Night - 43°F
Mar 08, 2026
10 to 16 mph SSW
Light Rain
Rain. Mostly cloudy, with a low around 43.
Monday - 50°F
Mar 09, 2026
10 mph SW
Light Rain
Rain. Mostly cloudy, with a high near 50.
Monday Night - 39°F
Mar 09, 2026
6 to 9 mph SSW
Rain And Snow Likely
Rain likely before 11pm, then rain and snow likely between 11pm and 2am, then rain and snow likely. Mostly cloudy, with a low around 39.

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