10-Day Weather Forecast - Thornton, WA

Mostly cloudy. Areas of fog. Highs in the mid to upper 30s. Light wind.

Areas of fog in the evening. Mostly cloudy. Lows in the 20s. Light wind.

Mostly cloudy. Areas of fog. Highs in the upper 30s. Light wind.

Partly cloudy. Lows in the mid to upper 20s. Light wind.

Partly cloudy. Highs in the upper 30s to lower 40s. Lows in the 20s.

Partly cloudy. Highs in the upper 30s to lower 40s. Lows in the 20s.

Partly cloudy. Highs in the upper 30s to lower 40s. Lows in the 20s.

Partly cloudy. Highs in the upper 30s to lower 40s. Lows in the 20s.

Partly cloudy. Highs in the upper 30s to lower 40s. Lows in the 20s.

Mostly cloudy with a 20 percent chance of snow. Lows in the mid to upper 20s.

Mostly cloudy. A 40 percent chance of snow. Highs in the mid to upper 30s. Lows 19 to 28.

Mostly cloudy. A 40 percent chance of snow. Highs in the mid to upper 30s. Lows 19 to 28.

Mostly cloudy with a 50 percent chance of snow. Highs in the lower to mid 30s.

Cloudy with a chance of snow. Chance of precipitation 35%. Low temperature around 24F. Dew point will be around 22F with an average humidity of 92%. Winds will be 3 mph from the E.

Cloudy with a chance of snow. Chance of precipitation 45%. High temperature around 30F. Dew point will be around 25F with an average humidity of 91%. Winds will be 2 mph from the S.

Cloudy with a chance of snow. Chance of precipitation 50%. Low temperature around 27F. Dew point will be around 27F with an average humidity of 96%. Winds will be 3 mph from the S.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. High temperature around 32F. Dew point will be around 29F with an average humidity of 94%. Winds will be 2 mph from the S.

Partly cloudy with a chance of snow. Chance of precipitation 35%. Low temperature around 28F. Dew point will be around 28F with an average humidity of 94%. Winds will be 3 mph from the SE.