Weather in SeaTac, Washington, United States

7-Day Detailed Weather Forecast for SeaTac

This Afternoon

Temperature: 56°F

Wind Speed: 6 mph

Wind Direction: WSW

Forecast: Partly sunny, with a high near 56. West southwest wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.

Tonight

Temperature: 39°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Partly cloudy. Low around 39, with temperatures rising to around 41 overnight. South wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.

Tuesday

Temperature: 60°F

Wind Speed: 2 to 8 mph

Wind Direction: N

Forecast: Sunny. High near 60, with temperatures falling to around 58 in the afternoon. North wind 2 to 8 mph.

Tuesday Night

Temperature: 40°F

Wind Speed: 2 to 7 mph

Wind Direction: NNE

Forecast: Mostly clear, with a low around 40. North northeast wind 2 to 7 mph.

Wednesday

Temperature: 64°F

Wind Speed: 2 to 8 mph

Wind Direction: NNE

Forecast: Sunny, with a high near 64. North northeast wind 2 to 8 mph.

Wednesday Night

Temperature: 43°F

Wind Speed: 3 to 8 mph

Wind Direction: N

Forecast: Clear, with a low around 43.

Thursday

Temperature: 73°F

Wind Speed: 6 mph

Wind Direction: N

Forecast: Sunny, with a high near 73.

Thursday Night

Temperature: 47°F

Wind Speed: 6 mph

Wind Direction: SSE

Forecast: A chance of rain showers after 11pm. Mostly cloudy, with a low around 47.

Friday

Temperature: 59°F

Wind Speed: 6 to 9 mph

Wind Direction: SSW

Forecast: A chance of rain showers. Mostly cloudy, with a high near 59.

Friday Night

Temperature: 45°F

Wind Speed: 5 to 9 mph

Wind Direction: SSW

Forecast: A chance of rain showers. Mostly cloudy, with a low around 45.

Saturday

Temperature: 56°F

Wind Speed: 7 mph

Wind Direction: SSW

Forecast: A chance of rain showers. Mostly cloudy, with a high near 56.

Saturday Night

Temperature: 44°F

Wind Speed: 7 mph

Wind Direction: SSW

Forecast: A chance of rain showers. Mostly cloudy, with a low around 44.

Sunday

Temperature: 57°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: A slight chance of rain showers. Mostly cloudy, with a high near 57.

Sunday Night

Temperature: 44°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: A slight chance of rain showers before 11pm. Mostly cloudy, with a low around 44.