Little North Santiam River water temperature
Little North Santiam River, Mehama, Oregon · River
The current water temperature at Little North Santiam River is 17.8 °C (as of September 21, 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.
Measurement series & statistics
This measurement series includes 138 data points since July 23, 2026.
Lowest recorded value: 15.0 °C on September 5, 2026 · highest value: 24.1 °C on July 23, 2026.
In September, temperatures have ranged between 15.0 °C and 22.0 °C.
Nearby waters
Frequently asked questions
Can you swim at Little North Santiam River right now?
The current water temperature is 17.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Little North Santiam River?
Currently 17.8 °C (updated continuously).
How warm is at Little North Santiam River in September?
In September, the water temperature recently averaged 17.8 °C.
When is the water warmest at Little North Santiam River?
Across the measurement record, July is on average the warmest month (23.3 °C).
