10-Day Weather Forecast - Castaic Junction, CA

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

Partly cloudy with a slight chance of rain in the evening then rain after midnight. Lows in the mid 40s to around 50. Southwest winds 10 to 20 mph.

Rain likely with a slight chance of thunderstorms in the morning then a chance of rain with a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Southwest winds 15 to 25 mph. Chance of precipitation 70 percent.

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

Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the lower to mid 60s.

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

Sunny. Highs around 70.

Clear. Lows in the mid to upper 40s.

Sunny. Highs in the lower to mid 70s.

Partly cloudy. Lows around 50.

Partly cloudy. Highs in the lower to mid 70s.

Clear. Low temperature around 49F. Dew point will be around 48F with an average humidity of 77%. Winds will be 3 mph from the N.

Sunny. High temperature around 71F. Dew point will be around 47F with an average humidity of 57%. Winds will be 3 mph from the NE.

Clear. Low temperature around 50F. Dew point will be around 47F with an average humidity of 73%. Winds will be 2 mph from the NE.

Sunny. High temperature around 69F. Dew point will be around 49F with an average humidity of 56%. Winds will be 3 mph from the SW.

Mostly clear. Low temperature around 50F. Dew point will be around 49F with an average humidity of 76%. Winds will be 2 mph from the SW.

Mostly sunny. High temperature around 67F. Dew point will be around 49F with an average humidity of 61%. Winds will be 4 mph from the S.

Clear. Low temperature around 48F. Dew point will be around 47F with an average humidity of 80%. Winds will be 2 mph from the SW.