10-Day Weather Forecast - Castaic, CA

Partly cloudy in the morning then sunny. Highs in the mid 60s. Southwest winds 10 to 20 mph in the afternoon.

Mostly clear. Lows in the lower to mid 40s.

Partly cloudy in the morning then sunny. Highs in the lower to mid 70s.

Mostly clear. Lows around 50.

Sunny in the morning then partly cloudy. Highs in the mid 70s to around 80.

Partly cloudy in the evening then mostly clear. Lows in the upper 40s to mid 50s.

Partly cloudy in the morning then sunny. Highs in the mid to upper 70s.

Mostly clear. Lows in the lower to mid 50s.

Sunny. Highs in the upper 70s to mid 80s.

Mostly clear. Lows in the lower to mid 50s.

Partly cloudy. Highs in the upper 70s to mid 80s.

Mostly clear. Low temperature around 53F. Dew point will be around 48F with an average humidity of 73%. Winds will be 3 mph from the SW.

Mostly sunny. High temperature around 73F. Dew point will be around 48F with an average humidity of 54%. Winds will be 7 mph from the S.

Clear. Low temperature around 49F. Dew point will be around 46F with an average humidity of 72%. Winds will be 3 mph from the SW.

Partly cloudy. High temperature around 69F. Dew point will be around 47F with an average humidity of 54%. Winds will be 5 mph from the SW.

Clear. Low temperature around 50F. Dew point will be around 47F with an average humidity of 75%. Winds will be 2 mph from the SW.

Sunny. High temperature around 69F. Dew point will be around 48F with an average humidity of 57%. Winds will be 5 mph from the SW.

Clear. Low temperature around 50F. Dew point will be around 48F with an average humidity of 77%. Winds will be 2 mph from the SW.