Santa Catalina Island - Emerald Bay Weather Forecast

    • 60
    • 72

    Partly Sunny

    • 58
    • 70

    Rain

    • 59
    • 69

    Rain

    • 61
    • 72

    Mostly Sunny

    • 64
    • 77

    Mostly Sunny

    • 66
    • 80

    Partly Sunny

    • 65
    • 80

    Mostly Sunny

Today 20 Oct Catalina and Santa Barbara Islands

Partly cloudy. Highs in the mid 70s to around 80.

Tonight 20 Oct Catalina and Santa Barbara Islands

Partly cloudy in the evening then mostly cloudy. Lows in the mid 50s to lower 60s.

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Santa Catalina Island - Emerald Bay Temperature Statistics

October Temperature

Torrance, Zamperini Field Airport (25.5 miles)

  • Lowest 13 October, 2026

    53.4 °F

  • Average October

    72.6 °F

  • Highest 3 October, 2026

    100.4 °F

Climate (2021–2026)

Torrance, Zamperini Field Airport (25.5 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    72.3 °F
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