10-Day Weather Forecast - SeaTac, WA

Mostly cloudy. Highs in the 50s. Light wind.

Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the upper 30s to mid 40s. North wind to 10 mph in the evening becoming light.

Rain likely. Highs in the mid to upper 50s.

Rain likely. Lows in the lower to mid 40s.

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

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

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

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

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

Partly cloudy with a slight chance of rain. Lows near 40.

Partly sunny with a slight chance of rain. Highs in the mid to upper 50s.

Partly cloudy. Low temperature around 45F. Dew point will be around 44F with an average humidity of 93%. Winds will be 8 mph from the NNE.

Mostly sunny. High temperature around 54F. Dew point will be around 45F with an average humidity of 82%. Winds will be 8 mph from the NNE.

Clear. Low temperature around 42F. Dew point will be around 38F with an average humidity of 84%. Winds will be 8 mph from the NE.

Sunny. High temperature around 56F. Dew point will be around 47F with an average humidity of 75%. Winds will be 3 mph from the N.

Partly cloudy. Low temperature around 40F. Dew point will be around 40F with an average humidity of 92%. Winds will be 2 mph from the E.