St. Johns River near Cocoa, Florida water temperature

St. Johns River near Cocoa, Florida · River

The current water temperature at St. Johns River near Cocoa is 30.0 °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.

30.0 °C

Measured: September 1, 2026 · continuously updated

💧 Water 30.0° · ☀️ Air 26.9° · high today 28.5°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 216 data points since July 3, 2026.

Lowest recorded value: 28.0 °C on July 31, 2026 · highest value: 35.5 °C on July 9, 2026.

Nearby waters

Atlantic, Cocoa Beach · 26.6 km away26.3 °C Atlantic, Trident Pier, Port Canaveral · 27.8 km away26.3 °C Atlantic, Trident Pier, FL · 27.8 km away26.3 °C Atlantic, Cape Canaveral Nearshore, FL (143) · 33.4 km away26.6 °C Black Lake Outlet at S-101A, at Lake Buena Vista, Florida · 62.9 km away29.8 °C

Frequently asked questions

Can you swim at St. Johns River near Cocoa right now?
The current water temperature is 30.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at St. Johns River near Cocoa?
Currently 30.0 °C (updated continuously).

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