October in Ames averages a daily high of 17.4°C with nights around 4.1°C. Expect roughly 9.2 wet days totalling 73.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ames is September.
Based on AMES MUNICIPAL AIRPORT, IA US (4.9km), 1995–2024. 29 years of October data.