October in Louisville averages a daily high of 21.8°C with nights around 10.1°C. Expect roughly 8.3 wet days totalling 82.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Louisville is April–May.
Based on LOUISVILLE MCALPINE, KY US (3.8km), 1995–2024. 14 years of October data.