Lake Huron water temperature
Lake Huron, South Georgian Bay · Lake
The current water temperature at Lake Huron is 18.5 °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.
Measurement series & statistics
This measurement series includes 1002 data points since July 22, 2026.
Lowest recorded value: 18.3 °C on July 23, 2026 · highest value: 23.9 °C on September 1, 2026.
In September, temperatures have ranged between 18.5 °C and 23.9 °C.
The current value is 2.0 °C below the September average of this series.
More measuring points: Lake Huron
Frequently asked questions
Can you swim at Lake Huron right now?
The current water temperature is 18.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Huron?
Currently 18.5 °C (updated continuously).
How warm is at Lake Huron in September?
In September, the water temperature recently averaged 20.5 °C.
When is the water warmest at Lake Huron?
Across the measurement record, August is on average the warmest month (20.8 °C).
