Ontario International Airport Weather Forecast

    • 58
    • 84

    Mostly Sunny

    • 60
    • 89

    Sunny

    • 61
    • 90

    Mostly Sunny

    • 58
    • 86

    Partly Sunny

    • 56
    • 78

    Mostly Cloudy

    • 55
    • 73

    Rain Showers Likely

    • 50
    • 65

    Chance Rain Showers

Today 8 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Sunny. Highs 83 to 88. Areas of Winds west to 10 Mph. Gusts to 25 Mph this afternoon.

Tonight 8 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 53 to 57 in wind Sheltered Areas to 56 to 62 in warmer Locations. Areas of Winds north to 10 Mph becoming 10 to 15 Mph with Gusts to 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ontario International Airport Temperature Statistics

November Temperature

Ontario International Airport (1.2 miles)

  • Lowest 2 November, 2025

    53.1 °F

  • Average November

    64.5 °F

  • Highest 1 November, 2025

    84.9 °F

Climate (2020–Present)

Ontario International Airport (1.2 miles)

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  • Average Low 2020–2025

    55.4 °F

  • Average 2020–2025

    66.5 °F

  • Average High 2020–2025

    78.9 °F
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