10-Day Weather Forecast - SeaTac, WA

A slight chance of rain in the morning then a chance of rain late in the morning. Rain in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs near 50. South wind 10 to 20 mph with gusts to 30 mph.

Breezy. Rain in the evening then rain likely after midnight. Rainfall amounts a quarter to a half inch possible. Lows in the mid 30s to lower 40s. South wind 15 to 25 mph becoming southwest 10 to 15 mph after midnight.

Mostly cloudy with a chance of rain in the morning then cloudy with rain showers and a slight chance of thunderstorms in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible except higher amounts possible in thunderstorms. Highs near 50. Light wind becoming southwest to 10 mph in the afternoon.

Mostly cloudy with rain likely in the evening then partly cloudy after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the 30s. West wind to 10 mph in the evening becoming light.

Mostly sunny. Highs in the mid 50s.

Partly cloudy. Lows in the upper 30s.

Partly sunny. Highs in the mid to upper 50s.

Partly cloudy in the evening then becoming mostly cloudy. Lows near 40.

Mostly cloudy. Highs in the lower 60s.

Mostly cloudy with a chance of rain. Lows in the mid 40s.

Mostly cloudy with a chance of rain. Highs in the mid to upper 50s.

Mostly cloudy with a chance of rain. Lows in the lower 40s.

Mostly cloudy with a chance of rain. Highs near 60.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 42F with an average humidity of 81%. Winds will be 4 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 42F with an average humidity of 68%. Winds will be 5 mph from the W.

Partly cloudy. Low temperature around 44F. Dew point will be around 41F with an average humidity of 76%. Winds will be 5 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 42F with an average humidity of 65%. Winds will be 5 mph from the W.

Cloudy. Low temperature around 44F. Dew point will be around 41F with an average humidity of 75%. Winds will be 4 mph from the S.