Hacienda Park Weather Forecast

    • 56
    • 80

    Increasing Clouds

    • 56
    • 78

    Patchy Fog

    • 56
    • 75

    Partly Sunny

    • 59
    • 78

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

Today 24 Oct Los Angeles County San Gabriel Valley

Sunny. Highs around 80.

Tonight 24 Oct Los Angeles County San Gabriel Valley

Clear in the evening then Areas of low Clouds and fog. Lows in the mid to upper 50s.

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Hacienda Park Temperature Statistics

October Temperature

Fullerton, Fullerton Municipal Airport (5.6 miles)

  • Lowest 16 October, 2025

    51.1 °F

  • Average October

    67.2 °F

  • Highest 18 October, 2025

    88 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    66 °F

  • Average High 2020–2025

    76.5 °F
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