San Clemente Island - Mosquito Cove Weather Forecast

    • 51
    • 62

    Mostly Cloudy

    • 55
    • 68

    Mostly Sunny

    • 62
    • 76

    Mostly Sunny

    • 60
    • 83

    Mostly Cloudy

    • 58
    • 75

    Mostly Sunny

    • 59
    • 73

    Partly Sunny

Today 10 Mar Catalina and Santa Barbara Islands

Low Clouds and fog in the morning then mostly cloudy. Highs in the lower to mid 60s.

Tonight 10 Mar Catalina and Santa Barbara Islands

Mostly cloudy in the evening then partly cloudy. Lows in the lower to mid 50s.

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San Clemente Island - Mosquito Cove Temperature Statistics

March Temperature

San Clemente Island NALF (14.9 miles)

  • Lowest 2 March, 2026

    59 °F

  • Average March

    63.6 °F

  • Highest 6 March, 2026

    70 °F

Climate (2021–Present)

San Clemente Island NALF (14.9 miles)

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  • Average Low 2021–2026

    57.3 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    66.2 °F
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