10-Day Weather Forecast - Rancho Cucamonga, CA

Partly cloudy. Highs 55 to 60. Light winds.

Mostly clear. Lows 34 to 38 in wind sheltered areas to 38 to 43 in warmer locations. Light winds becoming east to 10 mph overnight.

Mostly sunny. Highs 60 to 64. Areas of winds north 10 to 20 mph. Gusts to 30 mph. . . Becoming 35 mph in the afternoon.

Mostly clear. Lows 36 to 40 in wind sheltered areas to 40 to 45 in warmer locations. Areas of winds northeast 10 to 20 mph with gusts to 35 mph.

Mostly sunny. Highs 63 to 68.

Mostly clear. Lows 39 to 46.

Mostly sunny in the morning. . . Becoming partly cloudy. Highs 66 to 71.

Mostly clear in the evening then partly cloudy with a slight chance of showers overnight. Lows 44 to 50.

Partly cloudy. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs 65 to 70.

Mostly cloudy. A chance of showers in the evening then showers likely overnight. Lows 45 to 52.

Showers likely. Highs 62 to 66.

Showers likely. Lows 46 to 53.

Showers likely. Highs 63 to 67.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 52F. Dew point will be around 52F with an average humidity of 91%. Winds will be 3 mph from the SW.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 49F with an average humidity of 75%. Winds will be 2 mph from the S.

Mostly clear. Low temperature around 49F. Dew point will be around 43F with an average humidity of 72%. Winds will be 3 mph from the N.

Sunny. High temperature around 60F. Dew point will be around 43F with an average humidity of 58%. Winds will be 3 mph from the NE.

Clear. Low temperature around 50F. Dew point will be around 39F with an average humidity of 58%. Winds will be 4 mph from the N.