San Nicolas Island - North Side Weather Forecast

    • 58
    • 64

    Mostly Sunny

    • 60
    • 66

    Mostly Sunny

    • 61
    • 68

    Mostly Sunny

    • 60
    • 68

    Patchy Fog

    • 58
    • 66

    Partly Sunny

    • 59
    • 65

    Mostly Cloudy

Today 15 Oct Catalina and Santa Barbara Islands

Partly cloudy in the morning then sunny. Highs in the 60s.

Tonight 15 Oct Catalina and Santa Barbara Islands

Mostly clear. Lows in the mid to upper 50s.

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San Nicolas Island - North Side Temperature Statistics

October Temperature

San Nicolas Island Naval Outlying Field (3.1 miles)

  • Lowest 6 October, 2025

    55 °F

  • Average October

    62.7 °F

  • Highest 1 October, 2025

    75 °F

Climate (2020–Present)

San Nicolas Island Naval Outlying Field (3.1 miles)

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  • Average Low 2020–2025

    53.8 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    64.7 °F
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