10-Day Weather Forecast - Rancho Cucamonga, CA

Mostly sunny. Highs 74 to 79. Areas of winds east 10 to 15 mph with gusts to 30 mph becoming north with gusts to 25 mph in the afternoon.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 43 to 47 in wind sheltered areas to 48 to 53 in warmer locations. Areas of winds east to 10 mph in the evening becoming light.

Partly cloudy. Highs 72 to 76. Light winds.

Partly cloudy in the evening. . . Becoming mostly cloudy. Lows 45 to 52.

Mostly cloudy in the morning. . . Becoming partly cloudy. Highs 65 to 69.

Partly cloudy. Lows 43 to 49.

Partly cloudy. Highs 62 to 67.

Partly cloudy. Lows 43 to 49.

Partly cloudy. Highs 65 to 71.

Mostly clear. Lows 42 to 49.

Mostly sunny. Highs 68 to 73.

Clear. Low temperature around 56F. Dew point will be around 34F with an average humidity of 39%. Winds will be 3 mph from the N.

Partly cloudy. High temperature around 69F. Dew point will be around 36F with an average humidity of 34%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 54F. Dew point will be around 38F with an average humidity of 45%. Winds will be 2 mph from the N.

Partly cloudy. High temperature around 69F. Dew point will be around 36F with an average humidity of 32%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 56F. Dew point will be around 36F with an average humidity of 41%. Winds will be 3 mph from the N.

Partly cloudy. High temperature around 68F. Dew point will be around 38F with an average humidity of 34%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 55F. Dew point will be around 39F with an average humidity of 46%. Winds will be 2 mph from the N.