St. Johns River water temperature
St. Johns River, Cocoa, Florida · River
The current water temperature at St. Johns River is 26.0 °C (as of November 5, 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 514 data points since September 7, 2026.
Lowest recorded value: 22.6 °C on October 24, 2026 · highest value: 31.4 °C on September 10, 2026.
In November, temperatures have ranged between 23.7 °C and 26.0 °C.
The current value is 1.5 °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 26.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at St. Johns River?
Currently 26.0 °C (updated continuously).
How warm is at St. Johns River in November?
In November, the water temperature recently averaged 24.5 °C.
When is the water warmest at St. Johns River?
Across the measurement record, September is on average the warmest month (28.9 °C).
