Cedar River at Renton, Washington · River
The current water temperature at Cedar River at Renton is 15.4 °C (as of July 17, 2026, source: USGS).
Can you swim at Cedar River at Renton right now?
The current water temperature is 15.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Cedar River at Renton?
Currently 15.4 °C (updated continuously).
How warm is at Cedar River at Renton in July?
In July, the water temperature recently averaged 16.8 °C.