October in Olathe averages a daily high of 19.7°C with nights around 8.4°C. Expect roughly 8.4 wet days totalling 81.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Olathe is September–October.
Based on OLATHE JOHNSON CO EXECUTIVE AIRPORT, KS US (7.7km), 1995–2024. 29 years of October data.