Santa Catalina Island - Emerald Bay Weather Forecast

    • 64
    • 78

    Patchy Fog

    • 62
    • 76

    Mostly Cloudy

    • 62
    • 76

    Mostly Cloudy

    • 63
    • 76

    Patchy Fog

    • 66
    • 78

    Partly Sunny

    • 66
    • 79

    Partly Sunny

    • 67
    • 79

    Partly Sunny

Today 19 Sep Catalina and Santa Barbara Islands

Partly cloudy. Highs in the mid 70s to mid 80s.

Tonight 19 Sep Catalina and Santa Barbara Islands

Partly cloudy in the evening then low Clouds and fog. Lows in the mid 50s to mid 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Catalina Island - Emerald Bay Temperature Statistics

September Temperature

Torrance, Zamperini Field Airport (25.5 miles)

  • Lowest 2 September, 2026

    60.8 °F

  • Average September

    72.4 °F

  • Highest 9 September, 2026

    98.6 °F

Climate (2021–2026)

Torrance, Zamperini Field Airport (25.5 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    72.2 °F
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