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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 13.2 °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.

13.2 °C
Measured: September 20, 2026 · continuously updated
💧 Water 13.2° · ☀️ Air 14.6° · high today 27.7°
Temperature trend of recent weeks
South Fork Mckenzie River near Rainbow, Oregon
Photo: Robert Ashworth from Bellingham, WA., USA · CC BY 2.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 154 data points since July 23, 2026.

Lowest recorded value: 9.4 °C on August 4, 2026 · highest value: 17.9 °C on July 24, 2026.

In September, temperatures have ranged between 11.3 °C and 13.8 °C.

The current value is 0.6 °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 13.2 °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 13.2 °C (updated continuously).

How warm is at South Fork Mckenzie River near Rainbow in September?
In September, the water temperature recently averaged 12.6 °C.

When is the water warmest at South Fork Mckenzie River near Rainbow?
Across the measurement record, July is on average the warmest month (17.0 °C).

Open in the BrrChecker app

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