The highest day temperature in October 2025 was 81°F. The lowest night temperature was 37°F. The average values for day and night temperatures during October were 62.5°F и 51.3°F respectivly.

The average sea surface temperature in October 2025 for Jamestown was 65.4°F. The maximum and minimum values were 60.2°F and 71.2°F respectively.

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

Precipitation total in October for Jamestown is 1.4 in. It makes october one of the most rainy months of the year.

The average wind speed in October is 8.4 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 Jamestown in October is 6.5 hours.