10-Day Weather Forecast - Rancho Cucamonga, CA

Mostly sunny in the morning. . . Becoming partly cloudy. Highs 75 to 79. Light winds becoming southwest to 10 mph in the afternoon.

Mostly clear. Lows 45 to 48 in wind sheltered areas to 48 to 56 in warmer locations. Light winds.

Mostly sunny in the morning. . . Becoming partly cloudy. Highs 73 to 78. Light winds.

Partly cloudy. Lows around 50 in wind sheltered areas to 50 to 56 in warmer locations. Light winds.

Partly cloudy. Highs 73 to 77.

Partly cloudy. Lows 45 to 53.

Partly cloudy. Highs 73 to 78.

Clear. Lows 45 to 52.

Mostly sunny in the morning then partly cloudy with a chance of showers in the afternoon. Highs 67 to 71.

Mostly cloudy. A chance of showers in the evening then showers likely overnight. Lows 47 to 54.

Showers. Locally heavy rainfall possible. Highs 61 to 65.

Showers. Lows 47 to 53.

Showers likely. Highs 62 to 66.

Cloudy with a chance of rain. Chance of precipitation 55%. Low temperature around 51F. Dew point will be around 48F with an average humidity of 82%. Winds will be 4 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 57F. Dew point will be around 47F with an average humidity of 74%. Winds will be 4 mph from the S.

Mostly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 48F. Dew point will be around 42F with an average humidity of 72%. Winds will be 2 mph from the NE.

Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 57F. Dew point will be around 40F with an average humidity of 57%. Winds will be 3 mph from the NE.

Clear. Low temperature around 47F. Dew point will be around 32F with an average humidity of 49%. Winds will be 6 mph from the NE.