San Clemente Island - Mosquito Cove Weather Forecast

    • 51
    • 60

    Partly Cloudy

    • 55
    • 64

    Mostly Sunny

    • 55
    • 66

    Partly Sunny

    • 55
    • 66

    Partly Sunny

    • 55
    • 66

    Mostly Cloudy

    • 56
    • 66

    Partly Sunny

Today 21 Feb Catalina and Santa Barbara Islands

Sunny. Highs in the upper 50s to mid 60s.

Tonight 21 Feb Catalina and Santa Barbara Islands

Partly cloudy. Lows in the lower 50s.

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  • Temperature Real-Time

San Clemente Island - Mosquito Cove Temperature Statistics

February Temperature

San Clemente Island NALF (14.9 miles)

  • Lowest 17 February, 2026

    54 °F

  • Average February

    63.7 °F

  • Highest 4 February, 2026

    77 °F

Climate (2021–Present)

San Clemente Island NALF (14.9 miles)

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  • Average Low 2021–2026

    57.2 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    66.2 °F
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