Coast Fork Willamette River below Cottage Grove Dam, Oregon · River
The current water temperature at Coast Fork Willamette River below Cottage Grove Dam is 17.7 °C (as of July 17, 2026, source: USGS).
Can you swim at Coast Fork Willamette River below Cottage Grove Dam right now?
The current water temperature is 17.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Coast Fork Willamette River below Cottage Grove Dam?
Currently 17.7 °C (updated continuously).
How warm is at Coast Fork Willamette River below Cottage Grove Dam in July?
In July, the water temperature recently averaged 16.5 °C.