The highest day temperature in October 2026 was 101°F. The lowest night temperature was 61°F. The average values for day and night temperatures during October were 74.1°F и 72.0°F respectivly.

The average sea surface temperature in October 2026 for Santa Catalina Island was 74.4°F. The maximum and minimum values were 72.4°F and 77.0°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for Santa Catalina Island is 0.1 in.

The average wind speed in October is 6.6 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Santa Catalina Island in October is 8.7 hours.