10-Day Weather Forecast - Rancho Cucamonga, CA

Mostly sunny. Highs 78 to 82. Light winds.

Mostly clear. Lows 45 to 49 in wind sheltered areas to 51 to 57 in warmer locations. Areas of winds northeast 10 mph.

Mostly sunny. Highs 80 to 84. Light winds.

Mostly clear. Lows 45 to 51 in wind sheltered areas to 52 to 59 in warmer locations. Light winds.

Mostly sunny. Highs 76 to 80.

Mostly clear. Lows 47 to 55.

Mostly sunny. Highs 78 to 83.

Partly cloudy. Lows 46 to 56.

Partly cloudy. Highs 76 to 80.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 45 to 53.

Patchy fog in the morning. Partly cloudy. Highs 70 to 75.

Partly cloudy. Lows 45 to 52.

Partly cloudy. Highs 71 to 75.

Partly cloudy. Low temperature around 54F. Dew point will be around 51F with an average humidity of 81%. Winds will be 2 mph from the SW.

Partly cloudy. High temperature around 66F. Dew point will be around 53F with an average humidity of 68%. Winds will be 4 mph from the SW.

Partly cloudy. Low temperature around 54F. Dew point will be around 49F with an average humidity of 75%. Winds will be 2 mph from the SW.

Partly cloudy. High temperature around 65F. Dew point will be around 49F with an average humidity of 61%. Winds will be 4 mph from the SW.

Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 53F. Dew point will be around 46F with an average humidity of 70%. Winds will be 2 mph from the SW.