Ontario International Airport Weather Forecast

    • 67
    • 92

    Mostly Sunny

    • 64
    • 89

    Mostly Sunny

    • 60
    • 84

    Mostly Sunny

    • 57
    • 78

    Partly Sunny

    • 55
    • 73

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 61
    • 83

    Mostly Sunny

Today 29 Sep San Bernardino and Riverside County Valleys

Mostly sunny. Highs 90 to 95.

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Ontario International Airport Temperature Statistics

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