Pequannock River water temperature
Pequannock River, Oak Ridge, New Jersey · River
The current water temperature at Pequannock River is 17.1 °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 160 data points since July 23, 2026.
Lowest recorded value: 13.8 °C on July 23, 2026 · highest value: 19.9 °C on August 4, 2026.
In September, temperatures have ranged between 15.3 °C and 17.7 °C.
The current value is 0.7 °C above the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Pequannock River right now?
The current water temperature is 17.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Pequannock River?
Currently 17.1 °C (updated continuously).
How warm is at Pequannock River in September?
In September, the water temperature recently averaged 16.4 °C.
When is the water warmest at Pequannock River?
Across the measurement record, September is on average the warmest month (16.4 °C).
