Olinda Ranch Neighborhood Park Weather Forecast

    • 48
    • 69

    Sunny

    • 48
    • 69

    Sunny

    • 51
    • 73

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

Today 5 Dec Orange County Inland

Sunny. Highs 69 to 72. Light Winds.

Tonight 5 Dec Orange County Inland

Clear. Lows around 50. Light Winds.

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Olinda Ranch Neighborhood Park Temperature Statistics

December Temperature

Fullerton, Fullerton Municipal Airport (8.7 miles)

  • Lowest 2 December, 2025

    48 °F

  • Average December

    58.5 °F

  • Highest 1 December, 2025

    72 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (8.7 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    66 °F

  • Average High 2020–2025

    76.4 °F
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