Santa Catalina Island - Iron Bound Bay Weather Forecast

    • 68
    • 76

    Cloudy

    • 69
    • 74

    Rain Showers Likely

    • 69
    • 75

    Partly Sunny

    • 70
    • 76

    Chance Rain Showers

    • 70
    • 77

    Partly Sunny

    • 69
    • 76

    Mostly Sunny

    • 67
    • 75

    Partly Sunny

Today 5 Sep Catalina and Santa Barbara Islands

Sunny in the morning then partly cloudy. Highs from the lower to mid 70s near the coast to the lower to mid 80s interior.

Tonight 5 Sep Catalina and Santa Barbara Islands

Cloudy. A chance of Showers after midnight. Lows in the upper 60s. Chance of precipitation 20 percent.

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  • Temperature Real-Time

Santa Catalina Island - Iron Bound Bay Temperature Statistics

September Temperature

Torrance, Zamperini Field Airport (28 miles)

  • Lowest 2 September, 2026

    60.8 °F

  • Average September

    67.7 °F

  • Highest 1 September, 2026

    78.8 °F

Climate (2021–2026)

Torrance, Zamperini Field Airport (28 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    72.1 °F
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