San Clemente Island - China Point Weather Forecast

    • 64
    • 69

    Increasing Clouds

    • 64
    • 69

    Decreasing Clouds

    • 64
    • 70

    Mostly Cloudy

    • 63
    • 69

    Partly Sunny

    • 63
    • 70

    Mostly Cloudy

    • 63
    • 68

    Mostly Cloudy

    • 63
    • 68

    Mostly Cloudy

Today 30 Sep Catalina and Santa Barbara Islands

Partly cloudy. Highs in the upper 60s to mid 70s.

Tonight 30 Sep Catalina and Santa Barbara Islands

Mostly clear in the evening then low Clouds and fog. Lows in the lower 60s.

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San Clemente Island - China Point Temperature Statistics

September Temperature

San Clemente Island NALF (17.4 miles)

  • Lowest 5 September, 2025

    62.1 °F

  • Average September

    67.3 °F

  • Highest 7 September, 2025

    75 °F

Climate (2020–Present)

San Clemente Island NALF (17.4 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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