San Clemente Island - Mosquito Cove Weather Forecast

    • 59
    • 75

    Partly Sunny

    • 58
    • 75

    Partly Sunny

    • 57
    • 75

    Patchy Fog

    • 57
    • 73

    Partly Sunny

    • 56
    • 71

    Mostly Cloudy

    • 56
    • 72

    Mostly Cloudy

Today 12 Jun Catalina and Santa Barbara Islands

Low Clouds and fog clearing to the Beaches in the afternoon. Highs from the upper 60s to mid 70s near the coast to the upper 70s interior.

Tonight 12 Jun Catalina and Santa Barbara Islands

Low Clouds and fog. Lows in the 50s to around 60.

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San Clemente Island - Mosquito Cove Temperature Statistics

June Temperature

San Clemente Island NALF (14.9 miles)

  • Lowest 3 June, 2026

    62.1 °F

  • Average June

    70.1 °F

  • Highest 4 June, 2026

    77 °F

Climate (2021–Present)

San Clemente Island NALF (14.9 miles)

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  • Average Low 2021–2026

    57.7 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    66.5 °F
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