Weather in SeaTac, Washington, United States

7-Day Detailed Weather Forecast for SeaTac

Tonight

Temperature: 46°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: Mostly cloudy. Low around 46, with temperatures rising to around 48 overnight. South wind around 7 mph.

Saturday

Temperature: 55°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Mostly sunny. High near 55, with temperatures falling to around 52 in the afternoon. South wind around 5 mph.

Saturday Night

Temperature: 47°F

Wind Speed: 3 to 8 mph

Wind Direction: S

Forecast: Rain likely after 10pm. Mostly cloudy. Low around 47, with temperatures rising to around 49 overnight. South wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Sunday

Temperature: 55°F

Wind Speed: 9 mph

Wind Direction: S

Forecast: Rain likely. Cloudy, with a high near 55. South wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Sunday Night

Temperature: 50°F

Wind Speed: 6 to 12 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a low around 50. South wind 6 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

Temperature: 58°F

Wind Speed: 12 to 17 mph

Wind Direction: SSW

Forecast: Rain. Cloudy, with a high near 58. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Temperature: 47°F

Wind Speed: 12 to 17 mph

Wind Direction: SSW

Forecast: Rain. Cloudy, with a low around 47.

Tuesday

Temperature: 53°F

Wind Speed: 12 to 16 mph

Wind Direction: SSW

Forecast: Rain. Cloudy, with a high near 53.

Tuesday Night

Temperature: 41°F

Wind Speed: 14 to 17 mph

Wind Direction: SSW

Forecast: Rain. Cloudy, with a low around 41.

Wednesday

Temperature: 46°F

Wind Speed: 14 mph

Wind Direction: SSW

Forecast: Rain. Cloudy, with a high near 46.

Wednesday Night

Temperature: 41°F

Wind Speed: 9 to 13 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a low around 41.

Thursday

Temperature: 49°F

Wind Speed: 12 mph

Wind Direction: S

Forecast: Rain. Cloudy, with a high near 49.

Thursday Night

Temperature: 42°F

Wind Speed: 12 mph

Wind Direction: SSW

Forecast: Rain. Cloudy, with a low around 42.

Friday

Temperature: 48°F

Wind Speed: 12 mph

Wind Direction: SSW

Forecast: Rain before 5pm. Cloudy, with a high near 48.