10-Day Weather Forecast - SeaTac, WA

Cloudy with rain at times in the morning then cloudy with a chance of rain in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the mid 40s to lower 50s. Light wind.

Cloudy with rain likely in the evening then mostly cloudy with a chance of rain after midnight. Rainfall amounts less than a tenth of an inch likely. Lows in the lower to mid 40s. Light wind.

Rain at times in the morning then rain likely in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. Light wind becoming south 10 to 15 mph in the afternoon.

Rain. Rainfall amounts a quarter to a half inch possible. Lows in the lower to mid 40s. Southeast wind around 10 mph becoming south after midnight.

Rain at times. Highs near 50.

Rain likely. Lows in the lower 40s.

Mostly cloudy with a chance of rain. Highs in the mid to upper 40s.

Mostly cloudy. A slight chance of rain in the evening then a chance of rain after midnight. Lows in the upper 30s.

Mostly cloudy with a chance of rain in the morning then cloudy with rain likely in the afternoon. Highs in the mid to upper 40s.

Rain likely. Lows in the upper 30s.

Rain likely. Highs in the mid 40s.

Mostly cloudy with rain likely in the evening then mostly cloudy with a chance of rain after midnight. Lows in the mid 30s.

Partly sunny. A chance of rain and snow in the morning then a chance of rain in the afternoon. Highs in the lower to mid 40s.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 35F. Dew point will be around 34F with an average humidity of 92%. Winds will be 5 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 40F. Dew point will be around 34F with an average humidity of 86%. Winds will be 4 mph from the S.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 34F. Dew point will be around 32F with an average humidity of 87%. Winds will be 5 mph from the SE.

Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 40F. Dew point will be around 33F with an average humidity of 82%. Winds will be 4 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 35F. Dew point will be around 32F with an average humidity of 87%. Winds will be 5 mph from the SE.