Santa Catalina Island - Sullivans Beach Weather Forecast

    • 64
    • 79

    Cloudy

    • 65
    • 80

    Mostly Cloudy

    • 64
    • 81

    Partly Sunny

    • 66
    • 81

    Partly Sunny

    • 65
    • 78

    Partly Sunny

    • 65
    • 80

    Mostly Cloudy

Today 12 Jul Catalina and Santa Barbara Islands

Low Clouds and fog. Highs from the lower to mid 70s near the coast to the lower to mid 80s interior.

Tonight 12 Jul Catalina and Santa Barbara Islands

Areas of low Clouds and fog in the evening then mostly cloudy. Lows in the lower to mid 60s.

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  • Temperature Real-Time

Santa Catalina Island - Sullivans Beach Temperature Statistics

July Temperature

Torrance, Zamperini Field Airport (25.5 miles)

  • Lowest 3 July, 2026

    62.6 °F

  • Average July

    70.4 °F

  • Highest 6 July, 2026

    77 °F

Climate (2021–2026)

Torrance, Zamperini Field Airport (25.5 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    72.1 °F
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