Catalina Airport Weather Forecast

    • 61
    • 73

    Mostly Cloudy

    • 61
    • 73

    Partly Sunny

    • 64
    • 74

    Partly Sunny

    • 65
    • 85

    Partly Sunny

    • 66
    • 86

    Partly Sunny

    • 66
    • 86

    Partly Sunny

Today 4 Aug Catalina and Santa Barbara Islands

Low Clouds and fog clearing to the Beaches in the afternoon. Highs from the mid 60s to around 70 near the coast to the upper 70s to mid 80s interior.

Tonight 4 Aug Catalina and Santa Barbara Islands

Low Clouds and fog near the coast early Spreading inland. Lows in the lower to mid 60s.

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Catalina Airport Temperature Statistics

August Temperature

Avalon Catalina Airport (0 miles)

  • Lowest 1 August, 2026

    73 °F

  • Average August

    79.4 °F

  • Highest 1 August, 2026

    90 °F

Climate (2021–2026)

Avalon Catalina Airport (0 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    62.4 °F

  • Average High 2021–2026

    68.9 °F
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