Ontario International Airport Weather Forecast

    • 55
    • 79

    Mostly Sunny

    • 51
    • 74

    Rain Showers Likely

    • 49
    • 64

    Rain Showers Likely

    • 49
    • 63

    Chance Rain Showers

    • 50
    • 66

    Partly Sunny

    • 49
    • 64

    Chance Rain Showers

    • 49
    • 66

    Partly Sunny

Today 18 Mar San Bernardino and Riverside County Valleys

Mostly clear in the evening. Becoming partly cloudy. Lows 46 to 52. Areas of Winds west 15 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ontario International Airport Temperature Statistics

March Temperature

Ontario, Ontario International Airport (1.2 miles)

  • Lowest 9 March, 2019

    46.9 °F

  • Average March

    59.9 °F

  • Highest 16 March, 2019

    82 °F

Climate (2010–Present)

Ontario, Ontario International Airport (1.2 miles)

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  • Average Low 2010–Present

    55.5 °F

  • Average 2010–Present

    66 °F

  • Average High 2010–Present

    79.1 °F
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