Fontana Weather Forecast

    • 62
    • 81

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

    • 62
    • 89

    Mostly Sunny

    • 62
    • 88

    Mostly Sunny

Today 22 Oct San Bernardino and Riverside County Valleys

Partly cloudy in the morning. Becoming mostly sunny. Highs 81 to 86. Light Winds becoming west 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 22 Oct San Bernardino and Riverside County Valleys

Mostly clear. Lows 53 to 59. Areas of Winds west 15 Mph in the evening becoming light.

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Fontana Temperature Statistics

October Temperature

Corona Airport (16.2 miles)

  • Lowest 12 October, 2018

    50 °F

  • Average October

    69.7 °F

  • Highest 1 October, 2018

    91.9 °F

Climate (2010–Present)

Corona Airport (16.2 miles)

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  • Average Low 2010–Present

    53.6 °F

  • Average 2010–Present

    67.1 °F

  • Average High 2010–Present

    79.8 °F
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