Frio River, Concan, Texas · River
The current water temperature at Frio River is 27.1 °C (as of September 21, 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 388 data points since July 23, 2026.
Lowest recorded value: 25.6 °C on July 25, 2026 · highest value: 30.2 °C on September 3, 2026.
In September, temperatures have ranged between 26.8 °C and 30.2 °C.
The current value is 1.3 °C below the September average of this series.
Can you swim at Frio River right now?
The current water temperature is 27.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Frio River?
Currently 27.1 °C (updated continuously).
How warm is at Frio River in September?
In September, the water temperature recently averaged 28.4 °C.
When is the water warmest at Frio River?
Across the measurement record, September is on average the warmest month (28.4 °C).