San Nicolas Island - North Side Weather Forecast

    • 59
    • 68

    Patchy Fog

    • 59
    • 67

    Patchy Fog

    • 61
    • 68

    Patchy Fog

    • 61
    • 69

    Mostly Cloudy

    • 61
    • 68

    Breezy

    • 60
    • 68

    Partly Sunny

Today 18 Jul Catalina and Santa Barbara Islands

Low Clouds and fog clearing to the Beaches in the afternoon. Highs from the lower to mid 70s near the coast to the lower to mid 80s interior.

Tonight 18 Jul Catalina and Santa Barbara Islands

Low Clouds and fog. Lows in the lower to mid 60s.

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San Nicolas Island - North Side Temperature Statistics

July Temperature

San Nicolas Island Naval Outlying Field (3.1 miles)

  • Lowest 9 July, 2026

    55 °F

  • Average July

    64.8 °F

  • Highest 15 July, 2026

    77 °F

Climate (2021–2026)

San Nicolas Island Naval Outlying Field (3.1 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    65 °F
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