10-Day Weather Forecast - Rancho Cucamonga, CA

Cloudy in the morning then mostly cloudy with a slight chance of rain in the afternoon. Highs 63 to 68. Areas of winds south to 10 mph. Chance of measurable precipitation 20 percent.

A chance of rain in the evening then rain overnight. Rain may be heavy at times overnight. Lows 50 to 56. Areas of winds southeast 10 to 15 mph. Gusts to 25 mph. . . Becoming 30 mph overnight.

Rain with a slight chance of thunderstorms in the afternoon. Rain may be heavy at times. Highs 60 to 65. Areas of winds south 10 to 20 mph with gusts to 35 mph.

Rain with a slight chance of thunderstorms. Rain may be heavy at times in the evening. Lows 47 to 52.

Rain. Highs 60 to 65.

Showers. Lows 45 to 51.

Showers. Highs 58 to 63.

Mostly cloudy in the evening. . . Becoming partly cloudy. A chance of showers. Lows 40 to 46.

Partly cloudy with a chance of showers. Highs 59 to 64.

Partly cloudy with a slight chance of showers. Lows 38 to 44.

Partly cloudy. A slight chance of showers in the afternoon. Highs 62 to 67.

Partly cloudy. Low temperature around 51F. Dew point will be around 38F with an average humidity of 51%. Winds will be 6 mph from the N.

Partly cloudy. High temperature around 62F. Dew point will be around 41F with an average humidity of 53%. Winds will be 6 mph from the N.

Mostly clear. Low temperature around 51F. Dew point will be around 38F with an average humidity of 57%. Winds will be 5 mph from the N.

Sunny. High temperature around 61F. Dew point will be around 43F with an average humidity of 54%. Winds will be 3 mph from the N.

Clear. Low temperature around 51F. Dew point will be around 40F with an average humidity of 61%. Winds will be 3 mph from the NE.

Sunny. High temperature around 61F. Dew point will be around 43F with an average humidity of 55%. Winds will be 3 mph from the W.

Clear. Low temperature around 50F. Dew point will be around 41F with an average humidity of 62%. Winds will be 2 mph from the W.