Santa Catalina Island - Little Harbor Weather Forecast

    • 59
    • 67

    Increasing Clouds

    • 60
    • 69

    Mostly Sunny

    • 61
    • 76

    Sunny

    • 60
    • 76

    Sunny

    • 59
    • 72

    Partly Sunny

    • 60
    • 71

    Partly Sunny

Today 26 Oct Catalina and Santa Barbara Islands

Low Clouds and fog in the morning then sunny. Highs in the mid 60s to lower 70s.

Tonight 26 Oct Catalina and Santa Barbara Islands

Clear in the evening then mostly cloudy. Lows in the mid 50s to around 60.

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Santa Catalina Island - Little Harbor Temperature Statistics

October Temperature

San Clemente Island NALF (25.5 miles)

  • Lowest 17 October, 2025

    53.1 °F

  • Average October

    65.4 °F

  • Highest 18 October, 2025

    75 °F

Climate (2020–Present)

San Clemente Island NALF (25.5 miles)

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  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    61.2 °F

  • Average High 2020–2025

    66 °F
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