The highest day temperature in October 2025 was 75°F. The lowest night temperature was 32°F. The average values for day and night temperatures during October were 58.4°F и 44.0°F respectivly.

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

Precipitation total in October for Chelan is 0.3 in. It makes october one of the most rainy months of the year.

The average wind speed in October is 4.6 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 Chelan in October is 8.2 hours.