The highest day temperature in October 2025 was 92°F. The lowest night temperature was 30°F. The average values for day and night temperatures during October were 63.9°F и 48.8°F respectivly.

The average sea surface temperature in October 2025 for Oshkosh was 62.3°F. The maximum and minimum values were 50.6°F and 72.2°F respectively.

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

Precipitation total in October for Oshkosh is 0.9 in.

The average wind speed in October is 11.6 mph. It makes October one of the most windy months of the year for Oshkosh.

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 Oshkosh in October is 6.4 hours.