Lake Erie water temperature
Lake Erie, Mentor Harbor Buoy · Lake
The current water temperature at Lake Erie is 22.6 °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.
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Measurement series & statistics
This measurement series includes 1375 data points since July 22, 2026.
Lowest recorded value: 22.5 °C on September 8, 2026 · highest value: 26.3 °C on August 10, 2026.
In September, temperatures have ranged between 22.5 °C and 25.7 °C.
The current value is 1.2 °C below the September average of this series.
Nearby waters
More measuring points: Lake Erie
Frequently asked questions
Can you swim at Lake Erie right now?
The current water temperature is 22.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Erie?
Currently 22.6 °C (updated continuously).
How warm is at Lake Erie in September?
In September, the water temperature recently averaged 23.8 °C.
When is the water warmest at Lake Erie?
Across the measurement record, August is on average the warmest month (24.9 °C).
