Santa Catalina Island - Emerald Bay Weather Forecast

    • 65
    • 73

    Mostly Sunny

    • 67
    • 82

    Partly Sunny

    • 67
    • 81

    Partly Sunny

    • 68
    • 81

    Partly Sunny

    • 66
    • 81

    Partly Sunny

    • 64
    • 77

    Partly Sunny

    • 64
    • 77

    Mostly Sunny

Today 22 Sep Catalina and Santa Barbara Islands

Sunny. Highs in the mid 70s to lower 80s.

Tonight 22 Sep Catalina and Santa Barbara Islands

Partly cloudy. Lows in the upper 50s to mid 60s.

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  • Temperature Forecast NOAA

  • 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

    71.7 °F

  • Highest 9 September, 2026

    98.6 °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

    72.2 °F
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