St.johns River above Buckman Bridge at Jacksonville, Florida · River
The current water temperature at St.johns River above Buckman Bridge at Jacksonville is 30.7 °C (as of September 1, 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.
This measurement series includes 140 data points since July 3, 2026.
Lowest recorded value: 29.0 °C on August 9, 2026 · highest value: 34.2 °C on July 24, 2026.
In September, temperatures have ranged between 30.5 °C and 32.0 °C.
The current value is 0.4 °C below the September average of this series.
Can you swim at St.johns River above Buckman Bridge at Jacksonville right now?
The current water temperature is 30.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at St.johns River above Buckman Bridge at Jacksonville?
Currently 30.7 °C (updated continuously).
How warm is at St.johns River above Buckman Bridge at Jacksonville in September?
In September, the water temperature recently averaged 31.1 °C.
When is the water warmest at St.johns River above Buckman Bridge at Jacksonville?
Across the measurement record, July is on average the warmest month (31.2 °C).