Delaware River at Trenton, New Jersey water temperature
Delaware River at Trenton, New Jersey · River
The current water temperature at Delaware River at Trenton is 22.3 °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 95 data points since August 29, 2026.
Lowest recorded value: 22.3 °C on September 20, 2026 · highest value: 25.1 °C on August 29, 2026.
In September, temperatures have ranged between 22.3 °C and 25.1 °C.
The current value is 1.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Delaware River at Trenton right now?
The current water temperature is 22.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Delaware River at Trenton?
Currently 22.3 °C (updated continuously).
How warm is at Delaware River at Trenton in September?
In September, the water temperature recently averaged 23.7 °C.
