10-Day Weather Forecast - SeaTac, WA

Partly sunny. Highs in the lower to mid 50s. Light wind becoming north to 10 mph in the afternoon.

Cloudy. A chance of rain after midnight. Lows in the lower to mid 40s. North wind to 10 mph in the evening becoming light.

Rain. Rainfall amounts a half inch to one inch possible. Highs in the lower to mid 50s. South wind to 10 mph increasing to 10 to 15 mph with gusts to 25 mph in the afternoon.

Rain at times in the evening then rain likely after midnight. Lows in the lower 40s.

Rain likely in the morning then showers and a slight chance of thunderstorms in the afternoon. Highs near 50.

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

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

Mostly clear. Lows in the mid 30s.

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

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 30s.

Mostly sunny. A slight chance of rain in the afternoon. Highs near 60.

Mostly cloudy. Low temperature around 44F. Dew point will be around 42F with an average humidity of 69%. Winds will be 5 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 54F. Dew point will be around 41F with an average humidity of 72%. Winds will be 5 mph from the SW.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 41F. Dew point will be around 38F with an average humidity of 77%. Winds will be 5 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 52F. Dew point will be around 38F with an average humidity of 69%. Winds will be 4 mph from the W.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 41F. Dew point will be around 38F with an average humidity of 77%. Winds will be 4 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 53F. Dew point will be around 40F with an average humidity of 72%. Winds will be 3 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 42F. Dew point will be around 40F with an average humidity of 79%. Winds will be 3 mph from the SE.