Santa Catalina Island - Iron Bound Bay Weather Forecast

    • 66
    • 73

    Chance Rain Showers

    • 66
    • 73

    Chance Rain Showers

    • 65
    • 71

    Mostly Cloudy

    • 64
    • 70

    Patchy Fog

    • 65
    • 70

    Patchy Fog

    • 65
    • 72

    Patchy Fog

    • 65
    • 72

    Mostly Sunny

Today 17 Sep Catalina and Santa Barbara Islands

Partly cloudy in the Morning, becoming mostly cloudy with a 30 percent chance of Showers in the afternoon. Highs from the lower to mid 70s near the coast to the lower to mid 80s interior. Areas of west Winds 15 to 25 Mph in the afternoon.

Tonight 17 Sep Catalina and Santa Barbara Islands

A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the mid 60s to lower 70s. Areas of northwest Winds 15 to 25 Mph. Chance of precipitation 70 percent.

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Santa Catalina Island - Iron Bound Bay Temperature Statistics

September Temperature

Torrance, Zamperini Field Airport (28 miles)

  • Lowest 8 September, 2025

    60.8 °F
  • Average September

    74 °F
  • Highest 7 September, 2025

    84.2 °F

Climate (2020–Present)

Torrance, Zamperini Field Airport (28 miles)

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  • Average Low 2020–2025

    56.2 °F
  • Average 2020–2025

    65.8 °F
  • Average High 2020–2025

    72 °F
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