Middle Fork John Day River water temperature
Middle Fork John Day River, Ritter, Oregon · River
The current water temperature at Middle Fork John Day River is 16.4 °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 135 data points since July 23, 2026.
Lowest recorded value: 10.6 °C on September 4, 2026 · highest value: 25.1 °C on July 23, 2026.
In September, temperatures have ranged between 10.6 °C and 22.4 °C.
The current value is 0.2 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Middle Fork John Day River right now?
The current water temperature is 16.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Middle Fork John Day River?
Currently 16.4 °C (updated continuously).
How warm is at Middle Fork John Day River in September?
In September, the water temperature recently averaged 16.6 °C.
When is the water warmest at Middle Fork John Day River?
Across the measurement record, July is on average the warmest month (23.1 °C).
