Coast Fork Willamette River water temperature
Coast Fork Willamette River, Cottage Grove Dam, Oregon · River
The current water temperature at Coast Fork Willamette River is 11.4 °C (as of November 6, 2026, source: USGS).
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.
Measurement series & statistics
This measurement series includes 531 data points since September 7, 2026.
Lowest recorded value: 11.4 °C on November 6, 2026 · highest value: 21.4 °C on September 9, 2026.
In November, temperatures have ranged between 11.4 °C and 12.5 °C.
The current value is 0.5 °C below the November average of this series.
Nearby waters
More measuring points: Coast Fork Willamette River
Frequently asked questions
Can you swim at Coast Fork Willamette River right now?
The current water temperature is 11.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Coast Fork Willamette River?
Currently 11.4 °C (updated continuously).
How warm is at Coast Fork Willamette River in November?
In November, the water temperature recently averaged 11.9 °C.
When is the water warmest at Coast Fork Willamette River?
Across the measurement record, September is on average the warmest month (19.5 °C).
