Marys River water temperature
Marys River, Philomath, Oregon · River
The current water temperature at Marys River is 8.3 °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 525 data points since September 7, 2026.
Lowest recorded value: 7.6 °C on November 1, 2026 · highest value: 18.2 °C on September 11, 2026.
In November, temperatures have ranged between 7.6 °C and 8.9 °C.
The current value is 0.2 °C above the November average of this series.
Nearby waters
Frequently asked questions
Can you swim at Marys River right now?
The current water temperature is 8.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Marys River?
Currently 8.3 °C (updated continuously).
How warm is at Marys River in November?
In November, the water temperature recently averaged 8.1 °C.
When is the water warmest at Marys River?
Across the measurement record, September is on average the warmest month (15.6 °C).
