Crystal River at Mouth near Shell Island near Crystal River, Florida · River
The current water temperature at Crystal River at Mouth near Shell Island near Crystal River is 29.1 °C (as of September 20, 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 164 data points since July 22, 2026.
Lowest recorded value: 27.1 °C on August 4, 2026 · highest value: 32.9 °C on August 16, 2026.
In September, temperatures have ranged between 28.0 °C and 31.6 °C.
The current value is 1.1 °C below the September average of this series.
Can you swim at Crystal River at Mouth near Shell Island near Crystal River right now?
The current water temperature is 29.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Crystal River at Mouth near Shell Island near Crystal River?
Currently 29.1 °C (updated continuously).
How warm is at Crystal River at Mouth near Shell Island near Crystal River in September?
In September, the water temperature recently averaged 30.2 °C.
When is the water warmest at Crystal River at Mouth near Shell Island near Crystal River?
Across the measurement record, July is on average the warmest month (31.0 °C).