Duncan Reservoir water temperature
Duncan Reservoir, Duncan Dam · Lake
The current water temperature at Duncan Reservoir is 10.0 °C (as of September 20, 2026, source: Water Survey of Canada).
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 377 data points since September 1, 2026.
Lowest recorded value: 9.5 °C on September 1, 2026 · highest value: 11.1 °C on September 12, 2026.
In September, temperatures have ranged between 9.5 °C and 11.1 °C.
The current value is 0.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Duncan Reservoir right now?
The current water temperature is 10.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Duncan Reservoir?
Currently 10.0 °C (updated continuously).
How warm is at Duncan Reservoir in September?
In September, the water temperature recently averaged 10.1 °C.
