Ontario International Airport Weather Forecast

    • 49
    • 66

    Slight Chance Rain Showers

    • 51
    • 69

    Partly Sunny

    • 49
    • 71

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

Today 25 Mar San Bernardino and Riverside County Valleys

Partly cloudy with a slight chance of Showers. Highs 63 to 68. Light Winds becoming west 15 Mph with Gusts to 25 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 25 Mar San Bernardino and Riverside County Valleys

Partly cloudy. Lows 44 to 49. Areas of Winds southwest 15 Mph in the evening becoming light.

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Ontario International Airport Temperature Statistics

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