Green River water temperature
Green River, Greensburg, Kentucky · River
The current water temperature at Green River is 27.7 °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 153 data points since July 23, 2026.
Lowest recorded value: 19.0 °C on July 23, 2026 · highest value: 31.6 °C on September 4, 2026.
In September, temperatures have ranged between 26.6 °C and 31.6 °C.
The current value is 1.2 °C below the September average of this series.
Nearby waters
More measuring points: Green River
Frequently asked questions
Can you swim at Green River right now?
The current water temperature is 27.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Green River?
Currently 27.7 °C (updated continuously).
How warm is at Green River in September?
In September, the water temperature recently averaged 28.9 °C.
When is the water warmest at Green River?
Across the measurement record, September is on average the warmest month (28.9 °C).
