October in Caldwell averages a daily high of 19.4°C with nights around 1.8°C. Expect roughly 3.8 wet days totalling 17.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Caldwell is May–June.
Based on HOMEDALE 1 SE, ID US (19.9km), 1995–2024. 17 years of October data.