Santa Catalina Island - Avalon Bay Weather Forecast

    • 60
    • 71

    Sunny

    • 59
    • 70

    Sunny

    • 59
    • 70

    Partly Sunny

    • 59
    • 67

    Patchy Fog

    • 58
    • 64

    Patchy Fog

    • 59
    • 65

    Patchy Fog

Today 10 Dec Catalina and Santa Barbara Islands

Sunny. Highs in the upper 60s and 70s.

Tonight 10 Dec Catalina and Santa Barbara Islands

Clear. Lows in the mid 50s.

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Santa Catalina Island - Avalon Bay Temperature Statistics

December Temperature

San Clemente Island NALF (26.7 miles)

  • Lowest 2 December, 2025

    50 °F

  • Average December

    61.7 °F

  • Highest 4 December, 2025

    66 °F

Climate (2020–Present)

San Clemente Island NALF (26.7 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    66 °F
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