John Day River water temperature
John Day River, Mcdonald Ferry, Oregon · River
The current water temperature at John Day River is 8.7 °C (as of November 6, 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 516 data points since September 7, 2026.
Lowest recorded value: 7.1 °C on November 4, 2026 · highest value: 24.7 °C on September 21, 2026.
In November, temperatures have ranged between 7.1 °C and 10.5 °C.
Nearby waters
More measuring points: John Day River
Frequently asked questions
Can you swim at John Day River right now?
The current water temperature is 8.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at John Day River?
Currently 8.7 °C (updated continuously).
How warm is at John Day River in November?
In November, the water temperature recently averaged 8.7 °C.
When is the water warmest at John Day River?
Across the measurement record, September is on average the warmest month (18.5 °C).
