October in Fishers averages a daily high of 18.5°C with nights around 6.1°C. Expect roughly 8.7 wet days totalling 80.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Fishers is September–October.
Based on CARMEL 3 E, IN US (3.9km), 1995–2024. 24 years of October data.