October in Bloomington averages a daily high of 19.2°C with nights around 7.3°C. Expect roughly 9.2 wet days totalling 90.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Bloomington is September–October.
Based on BLOOMINGTON INDIANA UNIVERSITY, IN US (1.1km), 1995–2024. 28 years of October data.