Old River, Buckeye Island near Anahuac, Texas · River
The current water temperature at Old River is 30.3 °C (as of September 23, 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.
This measurement series includes 365 data points since July 25, 2026.
Lowest recorded value: 26.2 °C on September 5, 2026 · highest value: 33.9 °C on August 2, 2026.
In September, temperatures have ranged between 26.2 °C and 32.2 °C.
The current value is 1.1 °C above the September average of this series.
Can you swim at Old River right now?
The current water temperature is 30.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Old River?
Currently 30.3 °C (updated continuously).
How warm is at Old River in September?
In September, the water temperature recently averaged 29.2 °C.
When is the water warmest at Old River?
Across the measurement record, August is on average the warmest month (31.3 °C).