Santa Catalina Island - Emerald Bay Weather Forecast

    • 72
    • 94

    Mostly Sunny

    • 67
    • 90

    Mostly Cloudy

    • 63
    • 83

    Partly Sunny

    • 64
    • 80

    Mostly Sunny

    • 63
    • 78

    Partly Sunny

    • 62
    • 76

    Partly Sunny

Today 10 Sep Catalina and Santa Barbara Islands

Sunny. Highs from the mid to upper 80s near the coast to 95 to 100 interior.

Tonight 10 Sep Catalina and Santa Barbara Islands

Mostly clear. Lows in the upper 60s and 70s.

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  • Temperature Real-Time

Santa Catalina Island - Emerald Bay Temperature Statistics

September Temperature

Torrance, Zamperini Field Airport (25.5 miles)

  • Lowest 2 September, 2026

    60.8 °F

  • Average September

    70.9 °F

  • Highest 8 September, 2026

    89.6 °F

Climate (2021–2026)

Torrance, Zamperini Field Airport (25.5 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    72.1 °F
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