March in Caldwell averages a daily high of 13.4°C with nights around -1.1°C. Expect roughly 6.1 wet days totalling 21.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Caldwell is May–June.
Based on HOMEDALE 1 SE, ID US (19.9km), 1995–2024. 15 years of March data.