Avalon Weather Forecast

    • 59
    • 67

    Increasing Clouds

    • 59
    • 67

    Mostly Cloudy

    • 59
    • 67

    Mostly Cloudy

    • 58
    • 64

    Patchy Fog

    • 59
    • 66

    Patchy Fog

    • 61
    • 67

    Patchy Fog

Today 11 Dec Catalina and Santa Barbara Islands

Sunny. Highs from the mid 60s to around 70 near the coast to the mid to upper 70s interior.

Tonight 11 Dec Catalina and Santa Barbara Islands

Mostly clear. Lows in the mid 50s.

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Avalon Temperature Statistics

December Temperature

San Clemente Island NALF (26.1 miles)

  • Lowest 2 December, 2025

    50 °F

  • Average December

    61.9 °F

  • Highest 4 December, 2025

    66 °F

Climate (2020–Present)

San Clemente Island NALF (26.1 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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