Middle Santiam River near Cascadia, Oregon · River
The current water temperature at Middle Santiam River near Cascadia is 13.0 °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 284 data points since July 23, 2026.
Lowest recorded value: 12.6 °C on September 4, 2026 · highest value: 21.4 °C on July 23, 2026.
In September, temperatures have ranged between 12.6 °C and 17.8 °C.
The current value is 1.5 °C below the September average of this series.
Can you swim at Middle Santiam River near Cascadia right now?
The current water temperature is 13.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Middle Santiam River near Cascadia?
Currently 13.0 °C (updated continuously).
How warm is at Middle Santiam River near Cascadia in September?
In September, the water temperature recently averaged 14.5 °C.
When is the water warmest at Middle Santiam River near Cascadia?
Across the measurement record, July is on average the warmest month (18.6 °C).