Santa Catalina Island - Buffalo Beach Weather Forecast

    • 69
    • 89

    Slight Chance Thunderstorms

    • 69
    • 88

    Partly Sunny

    • 66
    • 87

    Mostly Sunny

    • 64
    • 86

    Mostly Sunny

    • 64
    • 84

    Partly Sunny

    • 66
    • 85

    Partly Sunny

Today 27 Aug Catalina and Santa Barbara Islands

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms. Highs from around 80 near the coast to the lower to mid 90s interior.

Tonight 27 Aug Catalina and Santa Barbara Islands

Mostly cloudy. A 20 percent chance of Showers in the evening. Lows in the mid 60s to mid 70s.

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Santa Catalina Island - Buffalo Beach Temperature Statistics

August Temperature

Avalon Catalina Airport (2.5 miles)

  • Lowest 4 August, 2026

    59.6 °F

  • Average August

    74.1 °F

  • Highest 1 August, 2026

    92.6 °F

Climate (2021–2026)

Avalon Catalina Airport (2.5 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    62.4 °F

  • Average High 2021–2026

    69 °F
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