So Fork Mckenzie River water temperature
So Fork Mckenzie River, Cougar Lake near Rainbow, Oregon · River
The current water temperature at So Fork Mckenzie River is 9.2 °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 142 data points since July 23, 2026.
Lowest recorded value: 8.0 °C on September 8, 2026 · highest value: 12.9 °C on July 23, 2026.
In September, temperatures have ranged between 8.0 °C and 12.1 °C.
The current value is 0.5 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at So Fork Mckenzie River right now?
The current water temperature is 9.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at So Fork Mckenzie River?
Currently 9.2 °C (updated continuously).
How warm is at So Fork Mckenzie River in September?
In September, the water temperature recently averaged 9.7 °C.
When is the water warmest at So Fork Mckenzie River?
Across the measurement record, July is on average the warmest month (12.2 °C).
