Boise River at Caldwell, Idaho · River
The current water temperature at Boise River at Caldwell is 22.5 °C (as of July 17, 2026, source: USGS).
Can you swim at Boise River at Caldwell right now?
The current water temperature is 22.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Boise River at Caldwell?
Currently 22.5 °C (updated continuously).
How warm is at Boise River at Caldwell in July?
In July, the water temperature recently averaged 22.4 °C.