Grand Calumet River at Columbia Av at Hammond, Indiana · River
The current water temperature at Grand Calumet River at Columbia Av at Hammond is 21.8 °C (as of September 20, 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 165 data points since July 22, 2026.
Lowest recorded value: 21.7 °C on August 14, 2026 · highest value: 27.3 °C on September 2, 2026.
In September, temperatures have ranged between 21.8 °C and 27.3 °C.
The current value is 2.5 °C below the September average of this series.
Can you swim at Grand Calumet River at Columbia Av at Hammond right now?
The current water temperature is 21.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Grand Calumet River at Columbia Av at Hammond?
Currently 21.8 °C (updated continuously).
How warm is at Grand Calumet River at Columbia Av at Hammond in September?
In September, the water temperature recently averaged 24.3 °C.
When is the water warmest at Grand Calumet River at Columbia Av at Hammond?
Across the measurement record, September is on average the warmest month (24.3 °C).