St Johns River, Racy Pt near Hastings, Florida · River
The current water temperature at St Johns River is 25.4 °C (as of November 6, 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 502 data points since September 7, 2026.
Lowest recorded value: 20.5 °C on October 24, 2026 · highest value: 31.4 °C on September 11, 2026.
In November, temperatures have ranged between 23.0 °C and 27.0 °C.
The current value is 1.7 °C above the November average of this series.
Can you swim at St Johns River right now?
The current water temperature is 25.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at St Johns River?
Currently 25.4 °C (updated continuously).
How warm is at St Johns River in November?
In November, the water temperature recently averaged 23.7 °C.
When is the water warmest at St Johns River?
Across the measurement record, September is on average the warmest month (28.8 °C).