The highest day temperature in October 2026 was 89°F. The lowest night temperature was 68°F. The average values for day and night temperatures during October were 83.2°F и 72.9°F respectivly.

The average sea surface temperature in October 2026 for Oahu was 83.5°F. The maximum and minimum values were 82.6°F and 84.2°F respectively.

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

Precipitation total in October for Oahu is 0.4 in.

The average wind speed in October is 8.3 mph. It makes October the most windless month of the year for Oahu.

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 Oahu in October is 5.6 hours.