North Santiam River at Niagara, Oregon · River
The current water temperature at North Santiam River at Niagara is 12.2 °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 320 data points since July 22, 2026.
Lowest recorded value: 8.2 °C on July 23, 2026 · highest value: 12.6 °C on September 20, 2026.
In September, temperatures have ranged between 9.6 °C and 12.6 °C.
The current value is 1.7 °C above the September average of this series.
Can you swim at North Santiam River at Niagara right now?
The current water temperature is 12.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at North Santiam River at Niagara?
Currently 12.2 °C (updated continuously).
How warm is at North Santiam River at Niagara in September?
In September, the water temperature recently averaged 10.5 °C.
When is the water warmest at North Santiam River at Niagara?
Across the measurement record, September is on average the warmest month (10.5 °C).