Lake Monona at Madison, Wisconsin · Lake
The current water temperature at Lake Monona at Madison is 27.3 °C (as of July 17, 2026, source: USGS).
Can you swim at Lake Monona at Madison right now?
The current water temperature is 27.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Monona at Madison?
Currently 27.3 °C (updated continuously).
How warm is at Lake Monona at Madison in July?
In July, the water temperature recently averaged 26.6 °C.