North Santiam River at Niagara, Oregon · River
The current water temperature at North Santiam River at Niagara is 9.7 °C (as of September 1, 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 318 data points since July 3, 2026.
Lowest recorded value: 8.2 °C on July 23, 2026 · highest value: 14.5 °C on July 9, 2026.
In September, temperatures have ranged between 9.7 °C and 9.8 °C.
Can you swim at North Santiam River at Niagara right now?
The current water temperature is 9.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at North Santiam River at Niagara?
Currently 9.7 °C (updated continuously).
How warm is at North Santiam River at Niagara in September?
In September, the water temperature recently averaged 9.7 °C.
When is the water warmest at North Santiam River at Niagara?
Across the measurement record, July is on average the warmest month (10.3 °C).