10-Day Weather Forecast - Rancho Cucamonga, CA

Partly cloudy. Highs 69 to 74. Light winds becoming southwest 10 to 15 mph in the afternoon.

Partly cloudy. Lows 43 to 46 in wind sheltered areas to 45 to 53 in warmer locations. Areas of winds south to 10 mph in the evening becoming light.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 72 to 77. Light winds becoming northwest 10 to 15 mph with gusts to 25 mph in the afternoon.

Clear. Lows 45 to 53.

Sunny. Highs 77 to 82.

Mostly clear. Lows 46 to 54.

Mostly sunny in the morning. . . Becoming partly cloudy. Highs 73 to 77.

Mostly cloudy. Lows 45 to 52.

Mostly cloudy. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs 63 to 69.

Mostly cloudy. A chance of showers. Lows 41 to 48.

Mostly cloudy. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs 60 to 66.

Mostly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 51F. Dew point will be around 46F with an average humidity of 77%. Winds will be 2 mph from the SW.

Sunny. High temperature around 64F. Dew point will be around 42F with an average humidity of 54%. Winds will be 2 mph from the W.

Clear. Low temperature around 51F. Dew point will be around 42F with an average humidity of 63%. Winds will be 2 mph from the N.

Sunny. High temperature around 65F. Dew point will be around 41F with an average humidity of 46%. Winds will be 2 mph from the W.

Clear. Low temperature around 52F. Dew point will be around 42F with an average humidity of 60%. Winds will be 2 mph from the W.

Partly cloudy. High temperature around 65F. Dew point will be around 42F with an average humidity of 48%. Winds will be 4 mph from the SW.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 52F. Dew point will be around 44F with an average humidity of 67%. Winds will be 3 mph from the SW.