10-Day Weather Forecast - Ontario, CA

Mostly sunny in the morning. . . Becoming partly cloudy. Highs 63 to 67. Light winds.

Partly cloudy in the evening then mostly cloudy with a slight chance of showers overnight. Lows 46 to 49 in wind sheltered areas to 47 to 54 in warmer locations. Light winds. Chance of measurable precipitation 20 percent.

Cloudy. A chance of showers in the afternoon. Highs 62 to 66. Light winds becoming south 10 mph in the afternoon. Chance of measurable precipitation 50 percent.

Showers likely. Lows 48 to 54. Light winds. Chance of measurable precipitation 70 percent.

Mostly cloudy with a chance of showers. Highs 60 to 65.

Showers likely and a chance of thunderstorms in the evening then showers likely and a slight chance of thunderstorms overnight. Locally heavy rainfall possible overnight. Lows 45 to 51.

Mostly cloudy with a chance of showers. Highs 58 to 63.

Partly cloudy in the evening. . . Becoming mostly cloudy. A chance of showers. Lows 41 to 48.

Mostly cloudy with a chance of showers. Highs 59 to 63.

Partly cloudy with a chance of showers. Lows 40 to 46.

Partly cloudy. A chance of showers. Highs 59 to 63.

Partly cloudy. A chance of showers. Lows 39 to 44.

Partly cloudy with a slight chance of showers. Highs 57 to 62.

Clear. Low temperature around 46F. Dew point will be around 38F with an average humidity of 66%. Winds will be 5 mph from the NE.

Sunny. High temperature around 56F. Dew point will be around 35F with an average humidity of 49%. Winds will be 6 mph from the NE.

Clear. Low temperature around 45F. Dew point will be around 31F with an average humidity of 52%. Winds will be 8 mph from the NE.

Mostly sunny. High temperature around 57F. Dew point will be around 29F with an average humidity of 39%. Winds will be 10 mph from the NE.

Clear. Low temperature around 45F. Dew point will be around 24F with an average humidity of 37%. Winds will be 10 mph from the NE.