Santa Catalina Island - Avalon Bay Weather Forecast

    • 56
    • 63

    Decreasing Clouds

    • 56
    • 62

    Patchy Fog

    • 57
    • 62

    Mostly Sunny

    • 60
    • 66

    Mostly Sunny

    • 59
    • 67

    Partly Sunny

    • 57
    • 63

    Mostly Sunny

Today 3 Dec Catalina and Santa Barbara Islands

Low Clouds and fog in the morning then partly cloudy. Highs in the lower to mid 60s.

Tonight 3 Dec Catalina and Santa Barbara Islands

Low Clouds and fog near the coast early Spreading inland. Lows in the upper 40s to mid 50s.

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Santa Catalina Island - Avalon Bay Temperature Statistics

December Temperature

San Clemente Island NALF (26.7 miles)

  • Lowest 1 December, 2024

    55.4 °F

  • Average December

    63.7 °F

  • Highest 1 December, 2024

    75.2 °F

Climate (2019–Present)

San Clemente Island NALF (26.7 miles)

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  • Average Low 2019–2024

    56.7 °F

  • Average 2019–2024

    61.3 °F

  • Average High 2019–2024

    66.2 °F
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