San Clemente Island - Pyramid Cove Weather Forecast

    • 64
    • 70

    Decreasing Clouds

    • 65
    • 73

    Partly Sunny

    • 66
    • 74

    Partly Sunny

    • 66
    • 74

    Slight Chance Thunderstorms

    • 66
    • 74

    Slight Chance Thunderstorms

    • 65
    • 74

    Partly Sunny

Today 14 Sep Catalina and Santa Barbara Islands

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

Tonight 14 Sep Catalina and Santa Barbara Islands

Low Clouds and fog near the coast early Spreading inland. Lows in the upper 50s to mid 60s.

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San Clemente Island - Pyramid Cove Temperature Statistics

September Temperature

San Clemente Island NALF (17.4 miles)

  • Lowest 5 September, 2025

    62.1 °F

  • Average September

    67.2 °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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