October in Cheyenne averages a daily high of 15.4°C with nights around 1.1°C. Expect roughly 6.4 wet days totalling 23.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Cheyenne is June.
Based on CHEYENNE WSFO AIRPORT, WY US (1.8km), 1995–2024. 30 years of October data.