Trinity River A Douglas City, California water temperature
Trinity River A Douglas City, California · River
The current water temperature at Trinity River A Douglas City is 11.5 °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 140 data points since July 4, 2026.
Lowest recorded value: 11.4 °C on August 31, 2026 · highest value: 17.0 °C on August 5, 2026.
In September, temperatures have ranged between 11.4 °C and 13.6 °C.
The current value is 1.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Trinity River A Douglas City right now?
The current water temperature is 11.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Trinity River A Douglas City?
Currently 11.5 °C (updated continuously).
How warm is at Trinity River A Douglas City in September?
In September, the water temperature recently averaged 12.6 °C.
When is the water warmest at Trinity River A Douglas City?
Across the measurement record, July is on average the warmest month (15.5 °C).
