Trinity River at Wallisville, Texas water temperature
Trinity River at Wallisville, Texas · River
The current water temperature at Trinity River at Wallisville is 29.8 °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 333 data points since July 22, 2026.
Lowest recorded value: 26.2 °C on September 5, 2026 · highest value: 33.6 °C on August 22, 2026.
In September, temperatures have ranged between 26.2 °C and 32.9 °C.
Nearby waters
Frequently asked questions
Can you swim at Trinity River at Wallisville right now?
The current water temperature is 29.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Trinity River at Wallisville?
Currently 29.8 °C (updated continuously).
How warm is at Trinity River at Wallisville in September?
In September, the water temperature recently averaged 29.8 °C.
When is the water warmest at Trinity River at Wallisville?
Across the measurement record, August is on average the warmest month (32.4 °C).
