The highest day temperature in October 2026 was 75°F. The lowest night temperature was 46°F. The average values for day and night temperatures during October were 60.8°F и 57.7°F respectivly.

The average sea surface temperature in October 2026 for Block Island was 63.9°F. The maximum and minimum values were 60.4°F and 66.8°F respectively.

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

Precipitation total in October for Block Island is 1.3 in. It makes october one of the most rainy months of the year.

The average wind speed in October is 14.1 mph.

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 Block Island in October is 6.5 hours.