San Clemente Island - West Cove Weather Forecast

    • 58
    • 68

    Partly Sunny

    • 57
    • 70

    Increasing Clouds

    • 57
    • 69

    Mostly Cloudy

    • 58
    • 68

    Mostly Cloudy

    • 59
    • 68

    Partly Sunny

    • 58
    • 69

    Mostly Cloudy

    • 58
    • 67

    Mostly Cloudy

Today 30 May Catalina and Santa Barbara Islands

Areas of low Clouds and fog in the morning then sunny. Highs in the mid 60s to lower 70s.

Tonight 30 May Catalina and Santa Barbara Islands

Clear except for patchy low Clouds and fog after midnight. Lows in the 50s to around 60.

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San Clemente Island - West Cove Temperature Statistics

May Temperature

San Clemente Island NALF (0.6 miles)

  • Lowest 28 May, 2026

    55 °F

  • Average May

    67.5 °F

  • Highest 20 May, 2026

    77 °F

Climate (2021–Present)

San Clemente Island NALF (0.6 miles)

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  • Average Low 2021–2026

    57.6 °F

  • Average 2021–2026

    62 °F

  • Average High 2021–2026

    66.4 °F
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