SeaTac, WA

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Weather Forecast for SeaTac

Overnight

A chance of rain and snow after 4am. Mostly cloudy, with a low around 33. Wind chill values between 24 and 29. South wind around 13 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

Friday

A chance of rain and snow before 10am, then rain likely. Cloudy, with a high near 42. Wind chill values between 24 and 33. Breezy, with a south wind 17 to 22 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

A chance of rain showers before 10pm, then snow showers likely, possibly mixed with rain. Mostly cloudy, with a low around 35. South southeast wind 11 to 13 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Saturday

Rain and snow showers likely, becoming all rain after 10am. Cloudy, with a high near 42. South wind 11 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday Night

Showers likely. Cloudy, with a low around 35. South wind 11 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A chance of rain and snow showers before 4pm, then a chance of rain showers. Mostly cloudy, with a high near 42. Chance of precipitation is 40%. Little or no snow accumulation expected.

Sunday Night

A slight chance of rain showers before 10pm, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

Monday

Partly sunny, with a high near 40.

Monday Night

Mostly cloudy, with a low around 30.

Tuesday

A slight chance of snow. Partly sunny, with a high near 42.

Tuesday Night

A slight chance of rain. Mostly cloudy, with a low around 32.

Wednesday

A chance of rain. Partly sunny, with a high near 43.

Wednesday Night

A chance of rain. Mostly cloudy, with a low around 36.

Thursday

A slight chance of rain. Partly sunny, with a high near 45.