Santa Catalina Island - Catalina Harbor Weather Forecast

    • 66
    • 71

    Decreasing Clouds

    • 64
    • 73

    Patchy Fog

    • 66
    • 74

    Mostly Cloudy

    • 66
    • 77

    Partly Sunny

    • 67
    • 76

    Partly Sunny

    • 67
    • 76

    Partly Sunny

Today 15 Aug Catalina and Santa Barbara Islands

Cloudy in the morning then partly cloudy. Highs in the 70s.

Tonight 15 Aug Catalina and Santa Barbara Islands

Cloudy. Lows in the lower to mid 60s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Catalina Island - Catalina Harbor Temperature Statistics

August Temperature

Torrance, Zamperini Field Airport (26.7 miles)

  • Lowest 4 August, 2026

    65.3 °F

  • Average August

    70.8 °F

  • Highest 1 August, 2026

    80.6 °F

Climate (2021–2026)

Torrance, Zamperini Field Airport (26.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    72.1 °F
Get WillyWeather+ to remove ads