Cowichan Lake water temperature
Cowichan Lake, Lake Cowichan · Lake
The current water temperature at Cowichan Lake is 19.7 °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 380 data points since September 1, 2026.
Lowest recorded value: 19.0 °C on September 16, 2026 · highest value: 22.1 °C on September 2, 2026.
In September, temperatures have ranged between 19.0 °C and 22.1 °C.
The current value is 0.6 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Cowichan Lake right now?
The current water temperature is 19.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Cowichan Lake?
Currently 19.7 °C (updated continuously).
How warm is at Cowichan Lake in September?
In September, the water temperature recently averaged 20.3 °C.
