Harpeth River at Mile 90.5 near Franklin, Tennessee water temperature
Harpeth River at Mile 90.5 near Franklin, Tennessee · River
The current water temperature at Harpeth River at Mile 90.5 near Franklin is 24.7 °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 169 data points since July 23, 2026.
Lowest recorded value: 22.6 °C on July 25, 2026 · highest value: 33.8 °C on September 18, 2026.
In September, temperatures have ranged between 22.6 °C and 33.8 °C.
The current value is 2.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Harpeth River at Mile 90.5 near Franklin right now?
The current water temperature is 24.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Harpeth River at Mile 90.5 near Franklin?
Currently 24.7 °C (updated continuously).
How warm is at Harpeth River at Mile 90.5 near Franklin in September?
In September, the water temperature recently averaged 27.1 °C.
When is the water warmest at Harpeth River at Mile 90.5 near Franklin?
Across the measurement record, September is on average the warmest month (27.1 °C).
