South Fork Mckenzie River near Rainbow, Oregon water temperature
South Fork Mckenzie River near Rainbow, Oregon · River
The current water temperature at South Fork Mckenzie River near Rainbow is 12.2 °C (as of September 4, 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.
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Measurement series & statistics
This measurement series includes 102 data points since July 6, 2026.
Lowest recorded value: 9.4 °C on August 4, 2026 · highest value: 18.0 °C on July 21, 2026.
In September, temperatures have ranged between 11.3 °C and 12.5 °C.
The current value is 0.2 °C above the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at South Fork Mckenzie River near Rainbow 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 South Fork Mckenzie River near Rainbow?
Currently 12.2 °C (updated continuously).
How warm is at South Fork Mckenzie River near Rainbow in September?
In September, the water temperature recently averaged 12.0 °C.
When is the water warmest at South Fork Mckenzie River near Rainbow?
Across the measurement record, July is on average the warmest month (17.1 °C).
