San Clemente Island - Sun Point Weather Forecast

    • 58
    • 64

    Increasing Clouds

    • 58
    • 65

    Mostly Cloudy

    • 59
    • 67

    Mostly Sunny

    • 59
    • 68

    Partly Sunny

    • 58
    • 66

    Partly Sunny

    • 58
    • 66

    Partly Sunny

Today 15 Apr Catalina and Santa Barbara Islands

Partly cloudy in the morning then mostly cloudy. Highs in the mid 60s to around 70.

Tonight 15 Apr Catalina and Santa Barbara Islands

Cloudy. Patchy fog after midnight. Lows in the upper 40s and 50s.

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San Clemente Island - Sun Point Temperature Statistics

April Temperature

San Clemente Island NALF (18 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 (18 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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