Olinda Ranch Neighborhood Park Weather Forecast

    • 53
    • 75

    Increasing Clouds

    • 55
    • 74

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 54
    • 73

    Patchy Fog

    • 53
    • 71

    Patchy Fog

Today 16 Dec Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Warmer. Highs 73 to 77. Light Winds.

Tonight 16 Dec Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Local visibility one quarter mile or less at Times overnight. Lows 50 to 53. Light Winds.

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Olinda Ranch Neighborhood Park Temperature Statistics

December Temperature

Fullerton, Fullerton Municipal Airport (8.7 miles)

  • Lowest 5 December, 2025

    45 °F

  • Average December

    61.8 °F

  • Highest 10 December, 2025

    84.9 °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

    66.1 °F

  • Average High 2020–2025

    76.5 °F
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