Maumee River water temperature
Maumee River, Defiance, Ohio · River
The current water temperature at Maumee River is 21.2 °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 140 data points since July 23, 2026.
Lowest recorded value: 21.2 °C on September 21, 2026 · highest value: 28.5 °C on September 5, 2026.
In September, temperatures have ranged between 21.2 °C and 28.5 °C.
The current value is 4.5 °C below the September average of this series.
Nearby waters
More measuring points: Maumee River
Frequently asked questions
Can you swim at Maumee River right now?
The current water temperature is 21.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Maumee River?
Currently 21.2 °C (updated continuously).
How warm is at Maumee River in September?
In September, the water temperature recently averaged 25.7 °C.
When is the water warmest at Maumee River?
Across the measurement record, July is on average the warmest month (25.9 °C).
