Willamette River at Corvallis, Oregon water temperature
Willamette River at Corvallis, Oregon · River
The current water temperature at Willamette River at Corvallis is 16.6 °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.
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Measurement series & statistics
This measurement series includes 347 data points since July 22, 2026.
Lowest recorded value: 15.8 °C on September 5, 2026 · highest value: 22.4 °C on July 25, 2026.
In September, temperatures have ranged between 15.8 °C and 19.5 °C.
The current value is 0.9 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Willamette River at Corvallis right now?
The current water temperature is 16.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Willamette River at Corvallis?
Currently 16.6 °C (updated continuously).
How warm is at Willamette River at Corvallis in September?
In September, the water temperature recently averaged 17.5 °C.
When is the water warmest at Willamette River at Corvallis?
Across the measurement record, July is on average the warmest month (21.2 °C).
