Naval Auxiliary Landing Field San Clemente Island Weather Forecast

    • 65
    • 79

    Partly Sunny

    • 64
    • 78

    Mostly Sunny

    • 64
    • 78

    Partly Sunny

    • 63
    • 75

    Partly Sunny

    • 63
    • 75

    Partly Sunny

    • 64
    • 75

    Partly Sunny

    • 65
    • 77

    Mostly Sunny

Today 12 Sep Catalina and Santa Barbara Islands

Low Clouds and fog in the morning then mostly cloudy. Highs in the upper 70s to mid 80s.

Tonight 12 Sep Catalina and Santa Barbara Islands

Partly cloudy in the evening then Areas of low Clouds and fog. Lows in the lower to mid 60s.

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Naval Auxiliary Landing Field San Clemente Island Temperature Statistics

September Temperature

San Clemente Island NALF (0 miles)

  • Lowest 1 September, 2026

    66.9 °F

  • Average September

    75.9 °F

  • Highest 9 September, 2026

    87.1 °F

Climate (2021–2026)

San Clemente Island NALF (0 miles)

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  • Average Low 2021–2026

    57.9 °F

  • Average 2021–2026

    62.4 °F

  • Average High 2021–2026

    66.7 °F
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