Avalon Weather Forecast

    • 67
    • 72

    Patchy Fog

    • 68
    • 74

    Patchy Fog

    • 66
    • 72

    Patchy Fog

    • 65
    • 72

    Mostly Cloudy

    • 65
    • 71

    Cloudy

    • 64
    • 71

    Cloudy

    • 65
    • 72

    Cloudy

Today 6 Sep Catalina and Santa Barbara Islands

Low Clouds and fog clearing to the Beaches in the afternoon. Highs from the upper 60s to mid 70s near the coast to the 80s to around 90 interior.

Tonight 6 Sep Catalina and Santa Barbara Islands

Low Clouds and fog near the coast early Spreading inland. Lows in the mid 60s.

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Avalon Temperature Statistics

September Temperature

San Clemente Island NALF (26.1 miles)

  • Lowest 4 September, 2025

    63 °F

  • Average September

    67.8 °F

  • Highest 1 September, 2025

    73 °F

Climate (2020–Present)

San Clemente Island NALF (26.1 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    66.1 °F
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