The highest day temperature in October 2024 was 81°F. The lowest night temperature was 33°F. The average values for day and night temperatures during October were 60.9°F и 47.9°F respectivly.

The average sea surface temperature in October 2024 for Portsmouth was 58.2°F. The maximum and minimum values were 54.4°F and 63.8°F respectively.

You can expect various weather conditions during October. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in October for Portsmouth is 1.2 in.

The average wind speed in October is 7.6 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 Portsmouth in October is 6.1 hours.