San Pedro River at Charleston, Arizona · River
The current water temperature at San Pedro River at Charleston is 23.4 °C (as of September 1, 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 471 data points since July 10, 2026.
Lowest recorded value: 19.6 °C on August 6, 2026 · highest value: 29.3 °C on July 24, 2026.
Can you swim at San Pedro River at Charleston right now?
The current water temperature is 23.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at San Pedro River at Charleston?
Currently 23.4 °C (updated continuously).