Sacramento River water temperature
Sacramento River, Wilkins Slough near Grimes, California · River
The current water temperature at Sacramento River is 19.2 °C (as of September 21, 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 188 data points since July 23, 2026.
Lowest recorded value: 17.1 °C on September 4, 2026 · highest value: 21.3 °C on August 2, 2026.
In September, temperatures have ranged between 17.1 °C and 19.9 °C.
The current value is 1.0 °C above the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Sacramento River right now?
The current water temperature is 19.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Sacramento River?
Currently 19.2 °C (updated continuously).
How warm is at Sacramento River in September?
In September, the water temperature recently averaged 18.2 °C.
When is the water warmest at Sacramento River?
Across the measurement record, July is on average the warmest month (20.0 °C).
