St. Croix River at Milltown, Maine · River
The current water temperature at St. Croix River at Milltown is 23.9 °C (as of July 17, 2026, source: USGS).
Can you swim at St. Croix River at Milltown right now?
The current water temperature is 23.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at St. Croix River at Milltown?
Currently 23.9 °C (updated continuously).
How warm is at St. Croix River at Milltown in July?
In July, the water temperature recently averaged 25.5 °C.