Weather in SeaTac, Washington, United States

7-Day Detailed Weather Forecast for SeaTac

Tonight

Temperature: 56°F

Wind Speed: 6 to 10 mph

Wind Direction: SSW

Forecast: Rain showers likely. Mostly cloudy, with a low around 56. South southwest wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Thursday

Temperature: 70°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: A chance of rain showers before 9am. Partly sunny, with a high near 70. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night

Temperature: 55°F

Wind Speed: 1 to 5 mph

Wind Direction: N

Forecast: Partly cloudy, with a low around 55. North wind 1 to 5 mph.

Friday

Temperature: 75°F

Wind Speed: 1 to 7 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 75. North wind 1 to 7 mph.

Friday Night

Temperature: 56°F

Wind Speed: 6 mph

Wind Direction: NNE

Forecast: Partly cloudy, with a low around 56. North northeast wind around 6 mph.

Saturday

Temperature: 78°F

Wind Speed: 3 to 9 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 78.

Saturday Night

Temperature: 59°F

Wind Speed: 3 to 9 mph

Wind Direction: NNE

Forecast: Partly cloudy, with a low around 59.

Sunday

Temperature: 82°F

Wind Speed: 3 to 10 mph

Wind Direction: NNE

Forecast: Sunny, with a high near 82.

Sunday Night

Temperature: 63°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: Mostly clear, with a low around 63.

Monday

Temperature: 87°F

Wind Speed: 5 to 9 mph

Wind Direction: N

Forecast: Sunny, with a high near 87.

Monday Night

Temperature: 64°F

Wind Speed: 3 to 9 mph

Wind Direction: NNE

Forecast: Mostly clear, with a low around 64.

Tuesday

Temperature: 86°F

Wind Speed: 3 to 8 mph

Wind Direction: W

Forecast: Sunny, with a high near 86.

Tuesday Night

Temperature: 61°F

Wind Speed: 5 to 8 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 61.

Wednesday

Temperature: 79°F

Wind Speed: 5 to 9 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 79.