South Umpqua River water temperature
South Umpqua River, Tiller, Oregon · River
The current water temperature at South Umpqua River is 17.3 °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 137 data points since July 23, 2026.
Lowest recorded value: 15.9 °C on September 5, 2026 · highest value: 25.7 °C on July 24, 2026.
In September, temperatures have ranged between 15.9 °C and 21.8 °C.
The current value is 0.8 °C below the September average of this series.
Nearby waters
More measuring points: South Umpqua River
Frequently asked questions
Can you swim at South Umpqua River right now?
The current water temperature is 17.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at South Umpqua River?
Currently 17.3 °C (updated continuously).
How warm is at South Umpqua River in September?
In September, the water temperature recently averaged 18.1 °C.
When is the water warmest at South Umpqua River?
Across the measurement record, July is on average the warmest month (24.6 °C).
