Chicago Sanitary And Ship Canal water temperature
Chicago Sanitary And Ship Canal, Romeoville, Illinois · River
The current water temperature at Chicago Sanitary And Ship Canal is 27.5 °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.
Measurement series & statistics
This measurement series includes 161 data points since July 23, 2026.
Lowest recorded value: 22.9 °C on August 2, 2026 · highest value: 32.9 °C on September 5, 2026.
In September, temperatures have ranged between 27.5 °C and 32.9 °C.
The current value is 3.9 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Chicago Sanitary And Ship Canal right now?
The current water temperature is 27.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Chicago Sanitary And Ship Canal?
Currently 27.5 °C (updated continuously).
How warm is at Chicago Sanitary And Ship Canal in September?
In September, the water temperature recently averaged 31.4 °C.
When is the water warmest at Chicago Sanitary And Ship Canal?
Across the measurement record, September is on average the warmest month (31.4 °C).
