Santa Catalina Island - Sullivans Beach Weather Forecast

    • 56
    • 67

    Rain

    • 56
    • 68

    Mostly Sunny

    • 56
    • 69

    Mostly Sunny

    • 56
    • 69

    Partly Sunny

    • 57
    • 70

    Mostly Sunny

    • 58
    • 71

    Mostly Sunny

Today 12 Apr Catalina and Santa Barbara Islands

Rain with a slight chance of Thunderstorms in the Morning, then rain likely in the afternoon. Highs in the 60s.

Tonight 12 Apr Catalina and Santa Barbara Islands

Partly cloudy with a 20 percent chance of rain. Lows in the lower to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Catalina Island - Sullivans Beach Temperature Statistics

April Temperature

Torrance, Zamperini Field Airport (25.5 miles)

  • Lowest 4 April, 2026

    53.6 °F

  • Average April

    68.3 °F

  • Highest 4 April, 2026

    84.2 °F

Climate (2021–Present)

Torrance, Zamperini Field Airport (25.5 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    72.1 °F
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