Santa Catalina Island - Avalon Bay Weather Forecast

    • 66
    • 70

    Decreasing Clouds

    • 65
    • 71

    Mostly Cloudy

    • 65
    • 72

    Patchy Fog

    • 65
    • 72

    Patchy Fog

    • 66
    • 73

    Patchy Fog

    • 67
    • 73

    Patchy Fog

Today 16 Aug Catalina and Santa Barbara Islands

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

Tonight 16 Aug Catalina and Santa Barbara Islands

Low Clouds and fog. Lows in the upper 50s to mid 60s.

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Santa Catalina Island - Avalon Bay Temperature Statistics

August Temperature

San Clemente Island NALF (26.7 miles)

  • Lowest 4 August, 2025

    55.9 °F

  • Average August

    63.1 °F

  • Highest 5 August, 2025

    73 °F

Climate (2020–Present)

San Clemente Island NALF (26.7 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    66.2 °F
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