St Johns River water temperature
St Johns River, Shands Bridge near Grn Cove Sprg, Florida · River
The current water temperature at St Johns River is 24.4 °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.
Measurement series & statistics
This measurement series includes 515 data points since September 7, 2026.
Lowest recorded value: 21.1 °C on October 26, 2026 · highest value: 30.7 °C on September 14, 2026.
In November, temperatures have ranged between 22.5 °C and 24.5 °C.
The current value is 1.3 °C above the November average of this series.
Nearby waters
More measuring points: St Johns River
Frequently asked questions
Can you swim at St Johns River right now?
The current water temperature is 24.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at St Johns River?
Currently 24.4 °C (updated continuously).
How warm is at St Johns River in November?
In November, the water temperature recently averaged 23.1 °C.
When is the water warmest at St Johns River?
Across the measurement record, September is on average the warmest month (28.8 °C).
