Santa Catalina Island - Isthmus Cove Weather Forecast

    • 57
    • 63

    Mostly Cloudy

    • 55
    • 62

    Mostly Cloudy

    • 56
    • 63

    Partly Sunny

    • 56
    • 68

    Partly Sunny

    • 58
    • 70

    Partly Sunny

    • 58
    • 72

    Partly Sunny

Today 12 May Catalina and Santa Barbara Islands

Areas of low Clouds and fog. Highs in the mid to upper 60s.

Tonight 12 May Catalina and Santa Barbara Islands

Low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Near steady temperature 59-59.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Catalina Island - Isthmus Cove Temperature Statistics

May Temperature

Torrance, Zamperini Field Airport (26.1 miles)

  • Lowest 6 May, 2026

    53.6 °F

  • Average May

    64.8 °F

  • Highest 1 May, 2026

    71.6 °F

Climate (2021–Present)

Torrance, Zamperini Field Airport (26.1 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    72.1 °F
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