Trinity River A Lewiston, California · River
The current water temperature at Trinity River A Lewiston is 10.8 °C (as of July 17, 2026, source: USGS).
Can you swim at Trinity River A Lewiston right now?
The current water temperature is 10.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Trinity River A Lewiston?
Currently 10.8 °C (updated continuously).
How warm is at Trinity River A Lewiston in July?
In July, the water temperature recently averaged 10.4 °C.