San Rafael River near Green River, Utah · River
The current water temperature at San Rafael River near Green River is 21.0 °C (as of September 4, 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 420 data points since July 6, 2026.
Lowest recorded value: 16.3 °C on August 31, 2026 · highest value: 34.9 °C on July 26, 2026.
In September, temperatures have ranged between 17.0 °C and 21.8 °C.
The current value is 1.9 °C above the September average of this series.
Can you swim at San Rafael River near Green River right now?
The current water temperature is 21.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at San Rafael River near Green River?
Currently 21.0 °C (updated continuously).
How warm is at San Rafael River near Green River in September?
In September, the water temperature recently averaged 19.1 °C.
When is the water warmest at San Rafael River near Green River?
Across the measurement record, July is on average the warmest month (26.1 °C).