Hillsborough River water temperature
Hillsborough River, Hannahs Whirl near Sulphur Springs, Florida · River
The current water temperature at Hillsborough River is 28.2 °C (as of September 21, 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 277 data points since July 23, 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 28.2 °C and 31.2 °C.
The current value is 1.8 °C below the September average of this series.
Nearby waters
More measuring points: Hillsborough River
Frequently asked questions
Can you swim at Hillsborough River right now?
The current water temperature is 28.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Hillsborough River?
Currently 28.2 °C (updated continuously).
How warm is at Hillsborough River in September?
In September, the water temperature recently averaged 30.0 °C.
When is the water warmest at Hillsborough River?
Across the measurement record, September is on average the warmest month (30.0 °C).
