10-Day Weather Forecast - SeaTac, WA

Mostly sunny. Patchy dense fog in the morning. Highs in the mid 50s to lower 60s. Light wind.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. Light wind.

Mostly cloudy with a chance of rain in the morning then cloudy with rain in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the lower to mid 50s. South wind to 10 mph.

Rain. Rainfall amounts a quarter to a half inch possible. Lows in the mid to upper 40s. South wind to 10 mph.

Rain likely in the morning then rain at times in the afternoon. Highs in the lower 50s.

Cloudy with rain at times in the evening then mostly cloudy with a chance of rain after midnight. Lows in the lower 40s.

Mostly cloudy with a chance of rain in the morning then mostly cloudy with rain likely in the afternoon. Highs near 50.

Mostly cloudy with a chance of rain. Lows near 40.

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

Partly cloudy. A slight chance of rain in the evening. Lows in the 30s.

Partly sunny. A slight chance of rain in the afternoon. Highs near 50.

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

Mostly cloudy with a chance of rain. Highs near 50.

Cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 38F. Dew point will be around 37F with an average humidity of 87%. Winds will be 7 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 44F. Dew point will be around 38F with an average humidity of 83%. Winds will be 8 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 55%. Low temperature around 36F. Dew point will be around 36F with an average humidity of 89%. Winds will be 6 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 45F. Dew point will be around 36F with an average humidity of 79%. Winds will be 3 mph from the SE.

Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 35F. Dew point will be around 33F with an average humidity of 85%. Winds will be 2 mph from the E.