Santa Catalina Island - Goat Harbor Weather Forecast

    • 61
    • 75

    Becoming Sunny

    • 61
    • 76

    Mostly Cloudy

    • 61
    • 76

    Patchy Fog

    • 62
    • 77

    Patchy Fog

    • 64
    • 82

    Patchy Fog

    • 64
    • 82

    Patchy Fog

Today 17 Aug Catalina and Santa Barbara Islands

Low Clouds and fog. Highs in the upper 60s to mid 70s.

Tonight 17 Aug Catalina and Santa Barbara Islands

Mostly clear. Lows around 60.

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Santa Catalina Island - Goat Harbor Temperature Statistics

August Temperature

Avalon Catalina Airport (1.2 miles)

  • Lowest 2 August, 2025

    55.7 °F

  • Average August

    69.9 °F

  • Highest 7 August, 2025

    89.7 °F

Climate (2020–Present)

Avalon Catalina Airport (1.2 miles)

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  • Average Low 2020–2025

    56.1 °F

  • Average 2020–2025

    62 °F

  • Average High 2020–2025

    68.6 °F
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