Santa Catalina Island - Isthmus Cove Weather Forecast

    • 64
    • 81

    Patchy Fog

    • 63
    • 79

    Patchy Fog

    • 63
    • 77

    Mostly Cloudy

    • 62
    • 77

    Mostly Cloudy

    • 63
    • 77

    Mostly Cloudy

    • 63
    • 77

    Mostly Cloudy

Today 11 Aug Catalina and Santa Barbara Islands

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

Tonight 11 Aug Catalina and Santa Barbara Islands

Low Clouds and fog near the coast early Spreading inland. Lows in the lower to mid 60s.

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Santa Catalina Island - Isthmus Cove Temperature Statistics

August Temperature

Torrance, Zamperini Field Airport (26.1 miles)

  • Lowest 4 August, 2026

    65.3 °F

  • Average August

    70.6 °F

  • Highest 1 August, 2026

    80.6 °F

Climate (2021–2026)

Torrance, Zamperini Field Airport (26.1 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    72.1 °F
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