Milwaukee River at Milwaukee, Wisconsin water temperature
Milwaukee River at Milwaukee, Wisconsin · River
The current water temperature at Milwaukee River at Milwaukee is 18.2 °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.
Measurement series & statistics
This measurement series includes 452 data points since July 22, 2026.
Lowest recorded value: 16.5 °C on July 23, 2026 · highest value: 28.9 °C on July 30, 2026.
In September, temperatures have ranged between 18.1 °C and 28.4 °C.
The current value is 4.6 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Milwaukee River at Milwaukee right now?
The current water temperature is 18.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Milwaukee River at Milwaukee?
Currently 18.2 °C (updated continuously).
How warm is at Milwaukee River at Milwaukee in September?
In September, the water temperature recently averaged 22.8 °C.
When is the water warmest at Milwaukee River at Milwaukee?
Across the measurement record, August is on average the warmest month (23.8 °C).
