Mahoning River near U.s. Route 422 at Warren, Ohio water temperature
Mahoning River near U.s. Route 422 at Warren, Ohio · River
The current water temperature at Mahoning River near U.s. Route 422 at Warren is 21.7 °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 169 data points since July 22, 2026.
Lowest recorded value: 20.6 °C on August 24, 2026 · highest value: 29.9 °C on September 1, 2026.
In September, temperatures have ranged between 21.2 °C and 29.9 °C.
The current value is 1.8 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Mahoning River near U.s. Route 422 at Warren right now?
The current water temperature is 21.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Mahoning River near U.s. Route 422 at Warren?
Currently 21.7 °C (updated continuously).
How warm is at Mahoning River near U.s. Route 422 at Warren in September?
In September, the water temperature recently averaged 23.5 °C.
When is the water warmest at Mahoning River near U.s. Route 422 at Warren?
Across the measurement record, September is on average the warmest month (23.5 °C).
