Sandusky River water temperature
Sandusky River, Fremont, Ohio · River
The current water temperature at Sandusky River is 20.5 °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 147 data points since July 31, 2026.
Lowest recorded value: 20.5 °C on September 21, 2026 · highest value: 30.5 °C on September 3, 2026.
In September, temperatures have ranged between 20.5 °C and 30.5 °C.
The current value is 4.5 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Sandusky River right now?
The current water temperature is 20.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Sandusky River?
Currently 20.5 °C (updated continuously).
How warm is at Sandusky River in September?
In September, the water temperature recently averaged 25.0 °C.
