10-Day Weather Forecast - Rancho Cucamonga, CA

Mostly sunny. Highs 91 to 98. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.

Mostly clear. Lows 57 to 63. Areas of winds west 10 to 15 mph in the evening becoming light.

Mostly sunny. Highs 93 to 101. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.

Mostly clear. Lows 59 to 65. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 94 to 102.

Clear. Lows 60 to 65.

Mostly sunny. Highs 91 to 99.

Mostly clear. Lows 59 to 64.

Partly cloudy. Highs 90 to 98.

Partly cloudy. Lows 60 to 64.

Partly cloudy. Highs 90 to 96.

Partly cloudy. Lows 62 to 67.

Partly cloudy. A slight chance of showers in the afternoon. Highs 91 to 97.

Clear. Low temperature around 74F. Dew point will be around 60F with an average humidity of 54%. Winds will be 6 mph from the SW.

Sunny. High temperature around 94F. Dew point will be around 64F with an average humidity of 46%. Winds will be 8 mph from the SW.

Clear. Low temperature around 75F. Dew point will be around 62F with an average humidity of 54%. Winds will be 6 mph from the W.

Sunny. High temperature around 95F. Dew point will be around 65F with an average humidity of 45%. Winds will be 7 mph from the SW.

Clear. Low temperature around 76F. Dew point will be around 62F with an average humidity of 53%. Winds will be 6 mph from the SW.