Williamson River water temperature
Williamson River, Sprague River near Chiloquin, Oregon · River
The current water temperature at Williamson River is 5.4 °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 515 data points since September 7, 2026.
Lowest recorded value: 4.3 °C on November 2, 2026 · highest value: 15.0 °C on September 11, 2026.
In November, temperatures have ranged between 4.3 °C and 6.7 °C.
The current value is 0.2 °C below the November average of this series.
Nearby waters
Frequently asked questions
Can you swim at Williamson River right now?
The current water temperature is 5.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Williamson River?
Currently 5.4 °C (updated continuously).
How warm is at Williamson River in November?
In November, the water temperature recently averaged 5.6 °C.
When is the water warmest at Williamson River?
Across the measurement record, September is on average the warmest month (12.0 °C).
