Sacramento River A Freeport, California water temperature
Sacramento River A Freeport, California · River
The current water temperature at Sacramento River A Freeport is 18.4 °C (as of September 5, 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 71 data points since July 22, 2026.
Lowest recorded value: 17.8 °C on September 5, 2026 · highest value: 22.3 °C on August 3, 2026.
In September, temperatures have ranged between 17.8 °C and 20.6 °C.
The current value is 0.7 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Sacramento River A Freeport right now?
The current water temperature is 18.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Sacramento River A Freeport?
Currently 18.4 °C (updated continuously).
How warm is at Sacramento River A Freeport in September?
In September, the water temperature recently averaged 19.1 °C.
When is the water warmest at Sacramento River A Freeport?
Across the measurement record, July is on average the warmest month (21.7 °C).
