Cedar River water temperature
Cedar River, San Juan Avenue at Jacksonville, Florida · River
The current water temperature at Cedar River is 29.7 °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 283 data points since July 23, 2026.
Lowest recorded value: 26.5 °C on August 13, 2026 · highest value: 35.2 °C on July 24, 2026.
In September, temperatures have ranged between 28.8 °C and 31.7 °C.
The current value is 0.7 °C below the September average of this series.
Nearby waters
More measuring points: Cedar River
Frequently asked questions
Can you swim at Cedar River right now?
The current water temperature is 29.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Cedar River?
Currently 29.7 °C (updated continuously).
How warm is at Cedar River in September?
In September, the water temperature recently averaged 30.4 °C.
When is the water warmest at Cedar River?
Across the measurement record, July is on average the warmest month (32.7 °C).
