Catalina Island Weather Forecast. Day temperature weather feels like wind humidity chance amount uv sunrise sunset. The average high temperature during winter months on catalina island is 63 and the average low temperature is 50 degrees fahrenheit.

The average high temperature during summer months on catalina island hovers around 72 and the average low temperature is 65. Avalon ca weather forecast. Hi low realfeel precip radar everything you need to be ready for the day commute and weekend.
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Weather underground provides local long range weather forecasts weatherreports maps tropical weather conditions for the catalina area. 67 58 f. Scroll right to see more conditions comfort precipitation sun. Weather underground provides local long range weather forecasts weatherreports maps tropical weather conditions for the catalina area.