10-Day Weather Forecast - Rancho Cucamonga, CA

Partly cloudy. Highs 76 to 81. Light winds.

Mostly clear. Lows 46 to 50 in wind sheltered areas to 50 to 57 in warmer locations. Light winds.

Sunny. Highs 79 to 83. Areas of winds north to 10 mph.

Mostly clear. Lows 45 to 49 in wind sheltered areas to 51 to 57 in warmer locations. Areas of winds north to 10 mph. Gusts to 25 mph in the evening.

Mostly sunny. Highs 80 to 84. Light winds.

Mostly clear. Lows 47 to 56.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 76 to 80.

Mostly clear. Lows 47 to 54.

Mostly sunny. Highs 77 to 82.

Partly cloudy. Lows 47 to 56.

Partly cloudy. Highs 75 to 79.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 45 to 52.

Patchy fog in the morning. Partly cloudy. Highs 69 to 74.

Partly cloudy. Low temperature around 56F. Dew point will be around 53F with an average humidity of 80%. Winds will be 1 mph from the SW.

Partly cloudy. High temperature around 67F. Dew point will be around 52F with an average humidity of 64%. Winds will be 3 mph from the SW.

Partly cloudy. Low temperature around 56F. Dew point will be around 52F with an average humidity of 76%. Winds will be 1 mph from the SW.

Partly cloudy. High temperature around 67F. Dew point will be around 51F with an average humidity of 61%. Winds will be 2 mph from the SW.

Partly cloudy. Low temperature around 56F. Dew point will be around 50F with an average humidity of 70%. Winds will be 2 mph from the NE.