Santa Catalina Island - Avalon Bay Weather Forecast

    • 56
    • 71

    Dense Fog

    • 57
    • 72

    Partly Sunny

    • 57
    • 71

    Partly Sunny

    • 58
    • 67

    Partly Sunny

    • 58
    • 66

    Patchy Fog

    • 57
    • 65

    Patchy Fog

    • 57
    • 63

    Partly Sunny

Today 16 Jan Catalina and Santa Barbara Islands

Sunny except for patchy low Clouds and fog in the morning. Highs from the upper 60s to mid 70s near the coast to around 80 interior.

Tonight 16 Jan Catalina and Santa Barbara Islands

Partly cloudy except for patchy low Clouds and fog after midnight. Lows in the 50s to around 60.

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Santa Catalina Island - Avalon Bay Temperature Statistics

January Temperature

San Clemente Island NALF (26.7 miles)

  • Lowest 8 January, 2026

    57.9 °F

  • Average January

    63.3 °F

  • Highest 13 January, 2026

    68 °F

Climate (2021–Present)

San Clemente Island NALF (26.7 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    61.4 °F

  • Average High 2021–2026

    66.1 °F
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