Lake St. Clair water temperature
Lake St. Clair, Lake St Clair · Lake
The current water temperature at Lake St. Clair is 16.2 °C (as of October 16, 2026, source: NOAA NDBC).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Measurement series & statistics
This measurement series includes 1026 data points since August 17, 2026.
Lowest recorded value: 16.0 °C on October 10, 2026 · highest value: 25.4 °C on August 19, 2026.
In October, temperatures have ranged between 16.0 °C and 18.2 °C.
The current value is 0.6 °C below the October average of this series.
Nearby waters
Frequently asked questions
Can you swim at Lake St. Clair right now?
The current water temperature is 16.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake St. Clair?
Currently 16.2 °C (updated continuously).
How warm is at Lake St. Clair in October?
In October, the water temperature recently averaged 16.8 °C.
When is the water warmest at Lake St. Clair?
Across the measurement record, August is on average the warmest month (22.5 °C).
