Santa Catalina Island - Toyon Bay Weather Forecast

    • 69
    • 83

    Rain Showers Likely

    • 69
    • 81

    Rain Showers Likely

    • 64
    • 79

    Partly Sunny

    • 64
    • 78

    Mostly Sunny

    • 64
    • 80

    Partly Sunny

    • 65
    • 82

    Mostly Sunny

    • 64
    • 80

    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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  • Temperature Real-Time

Santa Catalina Island - Toyon Bay Temperature Statistics

September Temperature

San Clemente Island NALF (27.3 miles)

  • Lowest 5 September, 2025

    62.1 °F

  • Average September

    67 °F

  • Highest 7 September, 2025

    75 °F

Climate (2020–Present)

San Clemente Island NALF (27.3 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    66.1 °F
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