San Clemente Island - West Cove Weather Forecast

    • 55
    • 65

    Mostly Sunny

    • 56
    • 66

    Mostly Cloudy

    • 56
    • 68

    Partly Sunny

    • 57
    • 69

    Mostly Sunny

    • 56
    • 70

    Mostly Cloudy

    • 56
    • 68

    Partly Sunny

    • 55
    • 67

    Partly Sunny

Today 14 Apr Catalina and Santa Barbara Islands

Sunny. Highs in the mid 60s to around 70.

Tonight 14 Apr Catalina and Santa Barbara Islands

Mostly clear in the evening then partly cloudy. Lows in the upper 40s to mid 50s.

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  • Temperature Real-Time

San Clemente Island - West Cove Temperature Statistics

April Temperature

San Clemente Island NALF (0.6 miles)

  • Lowest 3 April, 2026

    58.6 °F

  • Average April

    65.3 °F

  • Highest 9 April, 2026

    71.1 °F

Climate (2021–Present)

San Clemente Island NALF (0.6 miles)

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  • Average Low 2021–2026

    57.4 °F

  • Average 2021–2026

    61.8 °F

  • Average High 2021–2026

    66.3 °F
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