San Joaquin River near Vernalis, California · River
The current water temperature at San Joaquin River near Vernalis is 27.1 °C (as of July 17, 2026, source: USGS).
Can you swim at San Joaquin River near Vernalis right now?
The current water temperature is 27.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at San Joaquin River near Vernalis?
Currently 27.1 °C (updated continuously).
How warm is at San Joaquin River near Vernalis in July?
In July, the water temperature recently averaged 22.3 °C.