San Clemente Island - Mosquito Cove Weather Forecast

    • 78
    • 94

    Mostly Sunny

    • 71
    • 89

    Decreasing Clouds

    • 65
    • 83

    Mostly Sunny

    • 58
    • 74

    Mostly Sunny

    • 57
    • 67

    Rain Showers Likely

    • 57
    • 67

    Rain Showers Likely

    • 57
    • 67

    Slight Chance Rain Showers

Today 16 Oct Catalina and Santa Barbara Islands

Sunny in the morning then partly cloudy. Highs in the mid 60s to around 70.

Tonight 16 Oct Catalina and Santa Barbara Islands

Mostly clear. Lows in the upper 60s to mid 70s. Northeast Winds 15 to 25 Mph after midnight.

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San Clemente Island - Mosquito Cove Temperature Statistics

October Temperature

San Clemente Island NALF (14.9 miles)

  • Lowest 11 October, 2026

    60.1 °F

  • Average October

    72 °F

  • Highest 3 October, 2026

    95 °F

Climate (2021–2026)

San Clemente Island NALF (14.9 miles)

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  • Average Low 2021–2026

    58 °F

  • Average 2021–2026

    62.5 °F

  • Average High 2021–2026

    66.9 °F
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