10-Day Weather Forecast - Ontario, CA

Mostly sunny this morning then partly cloudy with a slight chance of showers this afternoon. Highs 71 to 76. Areas of winds south to 10 mph. . . Becoming southwest 10 to 20 mph with gusts to 35 mph this afternoon. Chance of measurable precipitation 20 percent.

Cloudy with a chance of showers in the evening then partly cloudy overnight. Lows 45 to 50. Areas of winds west 10 to 20 mph. Gusts to 30 mph in the evening. Chance of measurable precipitation 50 percent.

Partly cloudy. Highs 67 to 72. Areas of winds west 10 to 15 mph. Gusts to 25 mph in the afternoon.

Mostly clear. Lows 41 to 44 in wind sheltered areas to 43 to 49 in warmer locations. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.

Mostly sunny in the morning. . . Becoming partly cloudy. Highs 73 to 78. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 46 to 52.

Partly cloudy. Highs 72 to 78.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 47 to 53.

Partly cloudy with a slight chance of showers. Highs 65 to 71.

Partly cloudy. A slight chance of showers overnight. Lows 45 to 51.

Partly cloudy. Highs 64 to 71.

Partly cloudy. Lows 44 to 50.

Partly cloudy. Highs 71 to 76.

Partly cloudy. Low temperature around 54F. Dew point will be around 51F with an average humidity of 77%. Winds will be 4 mph from the SW.

Partly cloudy. High temperature around 70F. Dew point will be around 51F with an average humidity of 62%. Winds will be 5 mph from the SW.

Mostly clear. Low temperature around 55F. Dew point will be around 51F with an average humidity of 74%. Winds will be 4 mph from the SW.

Cloudy. High temperature around 71F. Dew point will be around 51F with an average humidity of 60%. Winds will be 5 mph from the SW.

Partly cloudy. Low temperature around 56F. Dew point will be around 52F with an average humidity of 74%. Winds will be 4 mph from the SW.