Avalon Weather Forecast

    • 69
    • 76

    Gradual Clearing

    • 70
    • 76

    Partly Sunny

    • 70
    • 77

    Partly Sunny

    • 70
    • 77

    Mostly Sunny

    • 69
    • 77

    Mostly Sunny

    • 69
    • 76

    Mostly Sunny

Today 19 Aug Catalina and Santa Barbara Islands

Low Clouds and fog in the morning then sunny. Highs from the mid 70s to around 80 near the coast to the mid to upper 80s interior.

Tonight 19 Aug Catalina and Santa Barbara Islands

Partly cloudy in the evening then mostly cloudy. Lows in the lower to mid 60s.

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Avalon Temperature Statistics

August Temperature

San Clemente Island NALF (26.1 miles)

  • Lowest 3 August, 2026

    66 °F

  • Average August

    74.3 °F

  • Highest 14 August, 2026

    81 °F

Climate (2021–2026)

San Clemente Island NALF (26.1 miles)

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  • Average Low 2021–2026

    57.8 °F

  • Average 2021–2026

    62.3 °F

  • Average High 2021–2026

    66.7 °F
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