10-Day Weather Forecast - Ontario, CA

Mostly cloudy in the morning. . . Becoming partly cloudy. Highs 64 to 69. Areas of winds west to 10 mph. . . Becoming 10 to 15 mph in the afternoon.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 43 to 50. Areas of winds west 10 to 15 mph in the evening becoming light.

Mostly sunny. Warmer. Highs 74 to 79. 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 53.

Partly cloudy. Highs 75 to 81.

Partly cloudy. A slight chance of showers overnight. Lows 48 to 54.

Partly cloudy. Highs 73 to 79.

Partly cloudy in the evening. . . Becoming mostly clear. Lows 47 to 54.

Mostly sunny. Highs 80 to 85.

Mostly clear. Lows 51 to 57.

Partly cloudy. Highs 82 to 88.

Partly cloudy. Low temperature around 56F. Dew point will be around 53F with an average humidity of 75%. Winds will be 5 mph from the SW.

Partly cloudy. High temperature around 73F. Dew point will be around 52F with an average humidity of 60%. Winds will be 8 mph from the SW.

Partly cloudy. Low temperature around 53F. Dew point will be around 50F with an average humidity of 74%. Winds will be 6 mph from the SW.

Mostly cloudy. High temperature around 68F. Dew point will be around 51F with an average humidity of 64%. Winds will be 7 mph from the SW.

Partly cloudy. Low temperature around 53F. Dew point will be around 51F with an average humidity of 78%. Winds will be 6 mph from the SW.

Mostly cloudy. High temperature around 69F. Dew point will be around 52F with an average humidity of 66%. Winds will be 7 mph from the SW.

Partly cloudy. Low temperature around 54F. Dew point will be around 51F with an average humidity of 78%. Winds will be 6 mph from the SW.