Santa Catalina Island - Avalon Bay Weather Forecast

    • 62
    • 69

    Sunny

    • 61
    • 70

    Sunny

    • 60
    • 68

    Mostly Sunny

    • 59
    • 67

    Mostly Sunny

    • 59
    • 67

    Mostly Sunny

    • 59
    • 67

    Patchy Fog

    • 58
    • 64

    Patchy Fog

Today 8 Dec Catalina and Santa Barbara Islands

Sunny except for patchy low Clouds and fog in the morning. Fog locally dense with visibility one quarter mile or less. Highs in the mid 60s to lower 70s.

Tonight 8 Dec Catalina and Santa Barbara Islands

Clear. Lows in the mid to upper 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

    61.2 °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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