San Clemente Island - Mosquito Cove Weather Forecast

    • 58
    • 72

    Sunny

    • 57
    • 72

    Mostly Sunny

    • 54
    • 66

    Partly Sunny

    • 55
    • 65

    Partly Sunny

    • 55
    • 67

    Mostly Sunny

    • 57
    • 69

    Mostly Sunny

    • 56
    • 69

    Partly Sunny

Today 30 Jan Catalina and Santa Barbara Islands

Sunny. Highs in the mid 70s to around 80.

Tonight 30 Jan Catalina and Santa Barbara Islands

Mostly clear. Lows in the upper 40s and 50s.

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  • Temperature Real-Time

San Clemente Island - Mosquito Cove Temperature Statistics

January Temperature

San Clemente Island NALF (14.9 miles)

  • Lowest 27 January, 2026

    52 °F

  • Average January

    62.3 °F

  • Highest 15 January, 2026

    70 °F

Climate (2021–Present)

San Clemente Island NALF (14.9 miles)

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  • Average Low 2021–2026

    57.1 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    66.1 °F
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