Siuslaw River water temperature
Siuslaw River, Mapleton, Oregon · River
The current water temperature at Siuslaw River is 10.8 °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 531 data points since September 7, 2026.
Lowest recorded value: 9.3 °C on October 24, 2026 · highest value: 21.6 °C on September 10, 2026.
In November, temperatures have ranged between 9.5 °C and 11.7 °C.
The current value is 0.6 °C above the November average of this series.
Nearby waters
More measuring points: Siuslaw River
Frequently asked questions
Can you swim at Siuslaw River right now?
The current water temperature is 10.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Siuslaw River?
Currently 10.8 °C (updated continuously).
How warm is at Siuslaw River in November?
In November, the water temperature recently averaged 10.2 °C.
When is the water warmest at Siuslaw River?
Across the measurement record, September is on average the warmest month (17.7 °C).
