The highest day temperature in October 2025 was 88°F. The lowest night temperature was 33°F. The average values for day and night temperatures during October were 59.1°F и 47.4°F respectivly.

The average sea surface temperature in October 2025 for Petoskey was 62.3°F. The maximum and minimum values were 56.6°F and 66.8°F respectively.

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

Precipitation total in October for Petoskey is 1.4 in. It makes october the most rainy month of the year.

The average wind speed in October is 9.4 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 Petoskey in October is 5.4 hours.