Ontario International Airport Weather Forecast

    • 49
    • 64

    Partly Sunny

    • 52
    • 65

    Mostly Cloudy

    • 53
    • 66

    Mostly Cloudy

    • 52
    • 68

    Chance Rain Showers

    • 50
    • 67

    Partly Sunny

    • 50
    • 69

    Partly Sunny

    • 50
    • 72

    Partly Sunny

Today 8 Dec San Bernardino and Riverside County Valleys

Mostly sunny. Highs 66 to 71.

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Ontario International Airport Temperature Statistics

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