Umatilla River near Umatilla, Oregon water temperature
Umatilla River near Umatilla, Oregon · River
The current water temperature at Umatilla River near Umatilla is 18.2 °C (as of September 1, 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 203 data points since July 3, 2026.
Lowest recorded value: 17.2 °C on August 31, 2026 · highest value: 27.7 °C on July 10, 2026.
In September, temperatures have ranged between 18.2 °C and 22.5 °C.
The current value is 1.6 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Umatilla River near Umatilla right now?
The current water temperature is 18.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Umatilla River near Umatilla?
Currently 18.2 °C (updated continuously).
How warm is at Umatilla River near Umatilla in September?
In September, the water temperature recently averaged 19.8 °C.
When is the water warmest at Umatilla River near Umatilla?
Across the measurement record, July is on average the warmest month (22.9 °C).
