Hillsborough River below Hannahs Whirl near Sulphur Springs, Florida water temperature
Hillsborough River below Hannahs Whirl near Sulphur Springs, Florida · River
The current water temperature at Hillsborough River below Hannahs Whirl near Sulphur Springs is 28.3 °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.
Measurement series & statistics
This measurement series includes 295 data points since July 22, 2026.
Lowest recorded value: 26.6 °C on August 7, 2026 · highest value: 31.8 °C on August 18, 2026.
In September, temperatures have ranged between 28.3 °C and 31.2 °C.
The current value is 1.5 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Hillsborough River below Hannahs Whirl near Sulphur Springs right now?
The current water temperature is 28.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Hillsborough River below Hannahs Whirl near Sulphur Springs?
Currently 28.3 °C (updated continuously).
How warm is at Hillsborough River below Hannahs Whirl near Sulphur Springs in September?
In September, the water temperature recently averaged 29.8 °C.
When is the water warmest at Hillsborough River below Hannahs Whirl near Sulphur Springs?
Across the measurement record, September is on average the warmest month (29.8 °C).
