Medina River at San Antonio, Texas · River
The current water temperature at Medina River at San Antonio is 27.1 °C (as of July 17, 2026, source: USGS).
Can you swim at Medina River at San Antonio 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 Medina River at San Antonio?
Currently 27.1 °C (updated continuously).
How warm is at Medina River at San Antonio in July?
In July, the water temperature recently averaged 27.8 °C.