Fullerton Municipal Airport Weather Forecast

    • 50
    • 70

    Mostly Cloudy

    • 49
    • 67

    Decreasing Clouds

    • 49
    • 69

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 49
    • 72

    Patchy Fog

    • 50
    • 68

    Partly Sunny

    • 50
    • 67

    Slight Chance Rain

Today 10 Dec Orange County Inland

Partly cloudy. Colder. Lows 42 to 51. Light Winds.

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Fullerton Municipal Airport Temperature Statistics

December Temperature

Fullerton, Fullerton Municipal Airport (0 miles)

  • Lowest 2 December, 2018

    46.9 °F
  • Average December

    57.1 °F
  • Highest 8 December, 2018

    73 °F

Climate (2010–Present)

Fullerton, Fullerton Municipal Airport (0 miles)

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  • Average Low 2010–Present

    57.9 °F
  • Average 2010–Present

    66.7 °F
  • Average High 2010–Present

    78.1 °F
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