Mohawk River below Pepper Island at Fort Johnson, New York water temperature
Mohawk River below Pepper Island at Fort Johnson, New York · River
The current water temperature at Mohawk River below Pepper Island at Fort Johnson is 20.3 °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 358 data points since July 22, 2026.
Lowest recorded value: 20.3 °C on September 20, 2026 · highest value: 25.7 °C on August 8, 2026.
In September, temperatures have ranged between 20.3 °C and 23.2 °C.
The current value is 1.9 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Mohawk River below Pepper Island at Fort Johnson right now?
The current water temperature is 20.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Mohawk River below Pepper Island at Fort Johnson?
Currently 20.3 °C (updated continuously).
How warm is at Mohawk River below Pepper Island at Fort Johnson in September?
In September, the water temperature recently averaged 22.2 °C.
When is the water warmest at Mohawk River below Pepper Island at Fort Johnson?
Across the measurement record, August is on average the warmest month (24.2 °C).
