San Clemente Island - Pyramid Cove Weather Forecast

    • 59
    • 66

    Mostly Sunny

    • 59
    • 66

    Partly Sunny

    • 61
    • 68

    Mostly Sunny

    • 60
    • 67

    Patchy Fog

    • 59
    • 66

    Patchy Fog

    • 59
    • 66

    Patchy Fog

Today 15 Dec Catalina and Santa Barbara Islands

Sunny. Fog in the morning. Fog locally dense with visibility one quarter mile or less. Highs in the mid 60s to lower 70s.

Tonight 15 Dec Catalina and Santa Barbara Islands

Mostly clear. Lows in the upper 40s to mid 50s.

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San Clemente Island - Pyramid Cove Temperature Statistics

December Temperature

San Clemente Island NALF (17.4 miles)

  • Lowest 2 December, 2025

    50 °F

  • Average December

    62.4 °F

  • Highest 9 December, 2025

    70 °F

Climate (2020–Present)

San Clemente Island NALF (17.4 miles)

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  • Average Low 2020–2025

    56.9 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    66 °F
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