Chestnut Creek at Mouth at Grahamsville, New York · River
The current water temperature at Chestnut Creek at Mouth at Grahamsville is 15.3 °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.
This measurement series includes 358 data points since July 22, 2026.
Lowest recorded value: 11.6 °C on July 25, 2026 · highest value: 18.0 °C on September 7, 2026.
In September, temperatures have ranged between 15.2 °C and 18.0 °C.
The current value is 1.7 °C below the September average of this series.
Can you swim at Chestnut Creek at Mouth at Grahamsville right now?
The current water temperature is 15.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Chestnut Creek at Mouth at Grahamsville?
Currently 15.3 °C (updated continuously).
How warm is at Chestnut Creek at Mouth at Grahamsville in September?
In September, the water temperature recently averaged 17.0 °C.
When is the water warmest at Chestnut Creek at Mouth at Grahamsville?
Across the measurement record, September is on average the warmest month (17.0 °C).