Marsh Lake, Whitehorse · Lake
The current water temperature at Marsh Lake is 11.6 °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.
This measurement series includes 381 data points since September 1, 2026.
Lowest recorded value: 11.3 °C on September 20, 2026 · highest value: 14.6 °C on September 6, 2026.
In September, temperatures have ranged between 11.3 °C and 14.6 °C.
The current value is 1.5 °C below the September average of this series.
Can you swim at Marsh Lake right now?
The current water temperature is 11.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Marsh Lake?
Currently 11.6 °C (updated continuously).
How warm is at Marsh Lake in September?
In September, the water temperature recently averaged 13.1 °C.