Lake Superior water temperature
Lake Superior, S.W. Pier, St. Marys River · Lake
The current water temperature at Lake Superior is 19.8 °C (as of August 7, 2026, source: NOAA CO-OPS).
19.8 °C
Frequently asked questions
Can you swim at Lake Superior right now?
The current water temperature is 19.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Superior?
Currently 19.8 °C (updated continuously).
How warm is at Lake Superior in August?
In August, the water temperature recently averaged 19.4 °C.
