Santa Catalina Island - Avalon Bay Weather Forecast

    • 67
    • 72

    Decreasing Clouds

    • 68
    • 76

    Partly Sunny

    • 68
    • 75

    Partly Sunny

    • 68
    • 75

    Partly Sunny

    • 68
    • 75

    Partly Sunny

    • 68
    • 75

    Partly Sunny

Today 6 Aug Catalina and Santa Barbara Islands

Low Clouds and fog clearing to the Beaches in the afternoon. Highs from the lower to mid 70s near the coast to around 80 interior.

Tonight 6 Aug Catalina and Santa Barbara Islands

Patchy low Clouds and fog. Lows in the lower to mid 60s.

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  • Temperature Real-Time

Santa Catalina Island - Avalon Bay Temperature Statistics

August Temperature

San Clemente Island NALF (26.7 miles)

  • Lowest 3 August, 2026

    66 °F

  • Average August

    72.2 °F

  • Highest 3 August, 2026

    76.3 °F

Climate (2021–2026)

San Clemente Island NALF (26.7 miles)

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  • Average Low 2021–2026

    57.8 °F

  • Average 2021–2026

    62.2 °F

  • Average High 2021–2026

    66.6 °F
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