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Tukwila, WA Marine Weather Forecast

This Afternoon - 51°F
Dec 24, 2025
24 mph SSW
Slight Chance Light Rain
A slight chance of rain before 3pm. Partly sunny. High near 51, with temperatures falling to around 48 in the afternoon. South southwest wind around 24 mph, with gusts as high as 31 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 40°F
Dec 24, 2025
3 to 12 mph E
Partly Cloudy
Partly cloudy. Low around 40, with temperatures rising to around 42 overnight. East wind 3 to 12 mph.
Christmas Day - 45°F
Dec 25, 2025
3 to 8 mph NNE
Light Rain Likely
Rain likely after 10am. Mostly cloudy, with a high near 45. North northeast wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night - 40°F
Dec 25, 2025
5 mph SE
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 40. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Friday - 45°F
Dec 26, 2025
5 to 10 mph S
Light Rain
Rain. Mostly cloudy, with a high near 45. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday Night - 36°F
Dec 26, 2025
2 to 9 mph SSW
Chance Light Rain
A chance of rain before 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Saturday - 43°F
Dec 27, 2025
3 mph SE
Partly Sunny
Partly sunny, with a high near 43.
Saturday Night - 36°F
Dec 27, 2025
1 mph ESE
Mostly Cloudy
Mostly cloudy, with a low around 36.
Sunday - 43°F
Dec 28, 2025
2 mph NE
Mostly Cloudy
Mostly cloudy, with a high near 43.
Sunday Night - 36°F
Dec 28, 2025
2 mph NNE
Mostly Cloudy
Mostly cloudy, with a low around 36.
Monday - 46°F
Dec 29, 2025
3 mph NNE
Mostly Cloudy
Mostly cloudy, with a high near 46.
Monday Night - 37°F
Dec 29, 2025
2 mph NNE
Mostly Cloudy
Mostly cloudy, with a low around 37.
Tuesday - 47°F
Dec 30, 2025
3 mph NNE
Mostly Cloudy
Mostly cloudy, with a high near 47.
Tuesday Night - 39°F
Dec 30, 2025
2 mph ESE
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 4am. Mostly cloudy, with a low around 39.

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