Fullerton Weather Forecast

    • 60
    • 72

    Mostly Cloudy

    • 57
    • 68

    Chance Rain

    • 55
    • 73

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 55
    • 79

    Partly Sunny

Today 24 Oct Orange County Inland

Cloudy in the morning. Becoming partly cloudy. Highs around 72. Light Winds.

Tonight 24 Oct Orange County Inland

Partly cloudy in the Evening, then cloudy with a slight chance of Showers overnight. Lows 53 to 60. Light Winds. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fullerton Temperature Statistics

October Temperature

Fullerton, Fullerton Municipal Airport (3.1 miles)

  • Lowest 12 October, 2020

    61 °F

  • Average October

    74.9 °F

  • Highest 1 October, 2020

    100 °F

Climate (2010–Present)

Fullerton, Fullerton Municipal Airport (3.1 miles)

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  • Average Low 2010–Present

    58.1 °F

  • Average 2010–Present

    66.4 °F

  • Average High 2010–Present

    77.6 °F
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