Portage River at Fifth Avenue at Three Rivers, Michigan water temperature
Portage River at Fifth Avenue at Three Rivers, Michigan · River
The current water temperature at Portage River at Fifth Avenue at Three Rivers 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 351 data points since July 22, 2026.
Lowest recorded value: 18.2 °C on September 20, 2026 · highest value: 26.8 °C on September 3, 2026.
In September, temperatures have ranged between 18.2 °C and 26.8 °C.
The current value is 4.5 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Portage River at Fifth Avenue at Three Rivers 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 Portage River at Fifth Avenue at Three Rivers?
Currently 18.2 °C (updated continuously).
How warm is at Portage River at Fifth Avenue at Three Rivers in September?
In September, the water temperature recently averaged 22.7 °C.
When is the water warmest at Portage River at Fifth Avenue at Three Rivers?
Across the measurement record, July is on average the warmest month (22.7 °C).
