Santa Catalina Island - Avalon Bay Weather Forecast

    • 58
    • 65

    Patchy Fog

    • 57
    • 64

    Mostly Cloudy

    • 59
    • 67

    Mostly Sunny

    • 63
    • 77

    Mostly Sunny

    • 61
    • 77

    Mostly Sunny

    • 59
    • 69

    Partly Sunny

Today 9 Mar Catalina and Santa Barbara Islands

Low Clouds and fog in the morning then sunny. Highs in the mid to upper 60s.

Tonight 9 Mar Catalina and Santa Barbara Islands

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

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Santa Catalina Island - Avalon Bay Temperature Statistics

March Temperature

San Clemente Island NALF (26.7 miles)

  • Lowest 2 March, 2026

    59 °F

  • Average March

    63.6 °F

  • Highest 6 March, 2026

    70 °F

Climate (2021–Present)

San Clemente Island NALF (26.7 miles)

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  • Average Low 2021–2026

    57.3 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    66.2 °F
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