Lake Nipissing water temperature
Lake Nipissing · Lake
The current water temperature at Lake Nipissing is 18.6 °C (as of September 20, 2026, source: ECCC).
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 33 data points since September 7, 2026.
Lowest recorded value: 18.6 °C on September 19, 2026 · highest value: 24.3 °C on September 7, 2026.
In September, temperatures have ranged between 18.6 °C and 24.3 °C.
The current value is 1.7 °C below the September average of this series.
Frequently asked questions
Can you swim at Lake Nipissing right now?
The current water temperature is 18.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Nipissing?
Currently 18.6 °C (updated continuously).
How warm is at Lake Nipissing in September?
In September, the water temperature recently averaged 20.3 °C.
