Naval Auxiliary Landing Field San Clemente Island Weather Forecast

    • 58
    • 68

    Increasing Clouds

    • 59
    • 68

    Mostly Cloudy

    • 59
    • 69

    Partly Sunny

    • 59
    • 69

    Mostly Cloudy

    • 59
    • 69

    Mostly Cloudy

    • 60
    • 69

    Partly Sunny

Today 21 Oct Catalina and Santa Barbara Islands

Low Clouds and fog in the morning then partly cloudy. Highs in the upper 60s to mid 70s.

Tonight 21 Oct Catalina and Santa Barbara Islands

Partly cloudy in the evening then cloudy. Lows in the mid 50s to around 60.

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Naval Auxiliary Landing Field San Clemente Island Temperature Statistics

October Temperature

San Clemente Island NALF (0 miles)

  • Lowest 17 October, 2025

    53.1 °F

  • Average October

    66.3 °F

  • Highest 18 October, 2025

    75 °F

Climate (2020–Present)

San Clemente Island NALF (0 miles)

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  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    61.2 °F

  • Average High 2020–2025

    66 °F
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