No Santiam River below Boulder Creek, near Detroit, Oregon · River
The current water temperature at No Santiam River below Boulder Creek is 9.9 °C (as of September 20, 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 310 data points since July 23, 2026.
Lowest recorded value: 9.6 °C on September 8, 2026 · highest value: 17.0 °C on July 24, 2026.
In September, temperatures have ranged between 9.6 °C and 14.3 °C.
The current value is 1.6 °C below the September average of this series.
Can you swim at No Santiam River below Boulder Creek right now?
The current water temperature is 9.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at No Santiam River below Boulder Creek?
Currently 9.9 °C (updated continuously).
How warm is at No Santiam River below Boulder Creek in September?
In September, the water temperature recently averaged 11.5 °C.
When is the water warmest at No Santiam River below Boulder Creek?
Across the measurement record, July is on average the warmest month (14.3 °C).