Fullerton Weather Forecast

    • 62
    • 94

    Sunny

    • 58
    • 95

    Sunny

    • 60
    • 93

    Mostly Sunny

    • 58
    • 87

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 53
    • 75

    Partly Sunny

Today 23 Oct Orange County Inland

Sunny. Highs 90 to 95. Light Winds.

Tonight 23 Oct Orange County Inland

Mostly clear. Lows 57 to 64. Light Winds becoming northeast 15 to 25 Mph with Gusts to 35 Mph overnight.

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Fullerton Temperature Statistics

October Temperature

Fullerton, Fullerton Municipal Airport (3.1 miles)

  • Lowest 12 October, 2019

    53.1 °F
  • Average October

    69 °F
  • Highest 21 October, 2019

    95 °F

Climate (2010–Present)

Fullerton, Fullerton Municipal Airport (3.1 miles)

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  • Average Low 2010–Present

    57.8 °F
  • Average 2010–Present

    66.3 °F
  • Average High 2010–Present

    77.5 °F
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