Rio Grande near Rio Grande City, Texas · River
The current water temperature at Rio Grande near Rio Grande City is 30.8 °C (as of September 18, 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 238 data points since July 23, 2026.
Lowest recorded value: 29.3 °C on July 28, 2026 · highest value: 31.8 °C on August 30, 2026.
In September, temperatures have ranged between 29.8 °C and 31.7 °C.
Can you swim at Rio Grande near Rio Grande City right now?
The current water temperature is 30.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Rio Grande near Rio Grande City?
Currently 30.8 °C (updated continuously).
How warm is at Rio Grande near Rio Grande City in September?
In September, the water temperature recently averaged 30.8 °C.
When is the water warmest at Rio Grande near Rio Grande City?
Across the measurement record, September is on average the warmest month (30.8 °C).