October in Chattanooga averages a daily high of 19.8°C with nights around 11°C. Expect roughly 7.6 wet days totalling 95.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Chattanooga is April–June.
Based on LOOKOUT MTN POINT PARK, TN US (5.1km), 1995–2024. 25 years of October data.