Lake Erie, Port Stanley · Lake
The current water temperature at Lake Erie is 21.3 °C (as of September 20, 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.
This measurement series includes 955 data points since July 22, 2026.
Lowest recorded value: 20.6 °C on July 27, 2026 · highest value: 26.9 °C on August 5, 2026.
In September, temperatures have ranged between 21.3 °C and 24.3 °C.
The current value is 1.6 °C below the September average of this series.
Can you swim at Lake Erie right now?
The current water temperature is 21.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Erie?
Currently 21.3 °C (updated continuously).
How warm is at Lake Erie in September?
In September, the water temperature recently averaged 22.9 °C.
When is the water warmest at Lake Erie?
Across the measurement record, August is on average the warmest month (23.5 °C).