Rex River near Cedar Falls, Washington · River
The current water temperature at Rex River near Cedar Falls is 9.4 °C (as of September 6, 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.
This measurement series includes 245 data points since July 9, 2026.
Lowest recorded value: 9.4 °C on September 6, 2026 · highest value: 16.2 °C on July 23, 2026.
In September, temperatures have ranged between 9.4 °C and 12.3 °C.
The current value is 1.7 °C below the September average of this series.
Can you swim at Rex River near Cedar Falls right now?
The current water temperature is 9.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Rex River near Cedar Falls?
Currently 9.4 °C (updated continuously).
How warm is at Rex River near Cedar Falls in September?
In September, the water temperature recently averaged 11.1 °C.
When is the water warmest at Rex River near Cedar Falls?
Across the measurement record, July is on average the warmest month (13.5 °C).