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Cowichan River water temperature

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.

18.0 °C
Measured: September 20, 2026 · continuously updated
💧 Water 18.0° · ☀️ Air 8.8° · high today 20.0°
Temperature trend of recent weeks

Measurement series & statistics

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.

Nearby waters

More measuring points: Cowichan River

Frequently asked questions

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.

Open in the BrrChecker app

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