San Joaquin River below Friant, California water temperature
San Joaquin River below Friant, California · River
The current water temperature at San Joaquin River below Friant is 11.2 °C (as of September 1, 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 285 data points since July 3, 2026.
Lowest recorded value: 9.9 °C on July 17, 2026 · highest value: 13.6 °C on August 31, 2026.
In September, temperatures have ranged between 11.2 °C and 12.1 °C.
The current value is 0.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at San Joaquin River below Friant right now?
The current water temperature is 11.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at San Joaquin River below Friant?
Currently 11.2 °C (updated continuously).
How warm is at San Joaquin River below Friant in September?
In September, the water temperature recently averaged 11.6 °C.
When is the water warmest at San Joaquin River below Friant?
Across the measurement record, August is on average the warmest month (11.7 °C).
