Santa Catalina Island - Emerald Bay Weather Forecast

    • 67
    • 79

    Gradual Clearing

    • 67
    • 79

    Chance Rain Showers

    • 66
    • 80

    Chance Rain Showers

    • 65
    • 76

    Partly Sunny

    • 64
    • 75

    Patchy Fog

    • 65
    • 76

    Patchy Fog

Today 16 Sep Catalina and Santa Barbara Islands

Sunny after morning low Clouds and fog. Highs from the mid 70s to around 80 near the coast to the mid 80s interior.

Tonight 16 Sep Catalina and Santa Barbara Islands

Mostly clear in the evening then cloudy. Lows in the 60s to around 70.

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Santa Catalina Island - Emerald Bay Temperature Statistics

September Temperature

Torrance, Zamperini Field Airport (25.5 miles)

  • Lowest 8 September, 2025

    60.8 °F

  • Average September

    74.1 °F

  • Highest 7 September, 2025

    84.2 °F

Climate (2020–Present)

Torrance, Zamperini Field Airport (25.5 miles)

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  • Average Low 2020–2025

    56.2 °F

  • Average 2020–2025

    65.8 °F

  • Average High 2020–2025

    72 °F
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