Santa Catalina Island - Little Harbor Weather Forecast

    • 56
    • 75

    Mostly Cloudy

    • 55
    • 67

    Gradual Clearing

    • 56
    • 67

    Partly Sunny

    • 55
    • 68

    Chance Rain

    • 56
    • 66

    Mostly Sunny

    • 55
    • 67

    Partly Sunny

    • 55
    • 67

    Partly Sunny

Today 18 Apr Catalina and Santa Barbara Islands

Sunny. Highs in the 70s to lower 80s.

Tonight 18 Apr Catalina and Santa Barbara Islands

Partly cloudy in the evening then mostly cloudy. Lows in the mid 50s.

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  • Temperature Real-Time

Santa Catalina Island - Little Harbor Temperature Statistics

April Temperature

San Clemente Island NALF (25.5 miles)

  • Lowest 3 April, 2026

    58.6 °F

  • Average April

    65.2 °F

  • Highest 9 April, 2026

    71.1 °F

Climate (2021–Present)

San Clemente Island NALF (25.5 miles)

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  • Average Low 2021–2026

    57.5 °F

  • Average 2021–2026

    61.8 °F

  • Average High 2021–2026

    66.3 °F
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