San Clemente Island - Mosquito Cove Weather Forecast

    • 64
    • 84

    Partly Sunny

    • 65
    • 86

    Partly Sunny

    • 66
    • 85

    Partly Sunny

    • 64
    • 86

    Partly Sunny

    • 63
    • 84

    Partly Sunny

    • 64
    • 83

    Partly Sunny

Today 24 Jul Catalina and Santa Barbara Islands

Areas of low Clouds and fog in the morning then partly cloudy. Highs from the mid to upper 70s near the coast to the mid to upper 80s interior.

Tonight 24 Jul Catalina and Santa Barbara Islands

Mostly clear in the evening then Areas of low Clouds and fog. Lows in the mid 60s.

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San Clemente Island - Mosquito Cove Temperature Statistics

July Temperature

San Clemente Island NALF (14.9 miles)

  • Lowest 1 July, 2026

    64 °F

  • Average July

    73.7 °F

  • Highest 21 July, 2026

    84 °F

Climate (2021–2026)

San Clemente Island NALF (14.9 miles)

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  • Average Low 2021–2026

    57.8 °F

  • Average 2021–2026

    62.2 °F

  • Average High 2021–2026

    66.6 °F
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