Cowichan River, Duncan · River
The current water temperature at Cowichan River is 18.0 °C (as of September 20, 2026, source: Water Survey of Canada).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
This measurement series includes 385 data points since September 1, 2026.
Lowest recorded value: 15.9 °C on September 17, 2026 · highest value: 20.1 °C on September 1, 2026.
In September, temperatures have ranged between 15.9 °C and 20.1 °C.
The current value is 0.1 °C above the September average of this series.
Can you swim at Cowichan River right now?
The current water temperature is 18.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Cowichan River?
Currently 18.0 °C (updated continuously).
How warm is at Cowichan River in September?
In September, the water temperature recently averaged 17.9 °C.