Tualatin River near Dilley, Oregon water temperature
Tualatin River near Dilley, Oregon · River
The current water temperature at Tualatin River near Dilley is 16.0 °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.
Measurement series & statistics
This measurement series includes 147 data points since July 22, 2026.
Lowest recorded value: 11.1 °C on August 3, 2026 · highest value: 17.4 °C on September 18, 2026.
In September, temperatures have ranged between 13.2 °C and 17.4 °C.
The current value is 1.3 °C above the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Tualatin River near Dilley right now?
The current water temperature is 16.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Tualatin River near Dilley?
Currently 16.0 °C (updated continuously).
How warm is at Tualatin River near Dilley in September?
In September, the water temperature recently averaged 14.7 °C.
When is the water warmest at Tualatin River near Dilley?
Across the measurement record, September is on average the warmest month (14.7 °C).
