10-Day Weather Forecast - Castle Rock, WA

Areas of frost in the morning. Partly sunny. Highs in the upper 50s. Winds light.

Mostly cloudy. A chance of showers after midnight. Lows in the lower 40s. Winds light. Chance of rain 50 percent.

Rain. Highs in the mid 50s. South wind 10 to 15 mph. Chance of rain near 100 percent.

Rain. Lows around 40. Chance of rain 90 percent.

Rain. Highs in the lower 50s. Chance of rain 90 percent.

Mostly cloudy in the evening then becoming partly cloudy. A 50 percent chance of rain. Lows in the mid 30s.

Mostly sunny with a 20 percent chance of rain. Highs in the mid 50s.

Mostly clear. Lows in the lower 30s.

Mostly sunny. Highs in the lower 60s.

Partly cloudy. Lows in the mid 30s.

Mostly sunny with a 20 percent chance of rain. Highs in the lower 60s.

Partly cloudy. Low temperature around 43F. Dew point will be around 45F with an average humidity of 80%. Winds will be 1 mph from the W.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 56F. Dew point will be around 44F with an average humidity of 78%. Winds will be 3 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 39F. Dew point will be around 41F with an average humidity of 86%. Winds will be 2 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 54F. Dew point will be around 42F with an average humidity of 78%. Winds will be 2 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 39F. Dew point will be around 40F with an average humidity of 85%. Winds will be 1 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 56F. Dew point will be around 42F with an average humidity of 77%. Winds will be 2 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 41F. Dew point will be around 42F with an average humidity of 85%. Winds will be 1 mph from the SE.