Santa Catalina Island - Emerald Bay Weather Forecast

    • 65
    • 82

    Increasing Clouds

    • 65
    • 82

    Mostly Cloudy

    • 62
    • 79

    Patchy Fog

    • 61
    • 77

    Mostly Sunny

    • 62
    • 76

    Mostly Sunny

    • 63
    • 78

    Mostly Sunny

    • 64
    • 81

    Mostly Sunny

Today 13 Sep Catalina and Santa Barbara Islands

Low Clouds and fog in the morning then partly cloudy. Highs in the mid 70s to mid 80s.

Tonight 13 Sep Catalina and Santa Barbara Islands

Mostly clear except for patchy low Clouds and fog after midnight. Lows in the lower to mid 60s.

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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

    73.1 °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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