San Clemente Island - Mosquito Cove Weather Forecast

    • 57
    • 76

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

    • 54
    • 64

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 54
    • 65

    Mostly Sunny

    • 55
    • 66

    Mostly Sunny

Today 28 Feb Catalina and Santa Barbara Islands

Areas of low Clouds and fog in the morning then partly cloudy. Highs in the 70s.

Tonight 28 Feb Catalina and Santa Barbara Islands

Mostly clear. Lows in the mid to upper 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 19 February, 2026

    50 °F

  • Average February

    62.8 °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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