Delaware River at Marine Terminal at Trenton, New Jersey water temperature
Delaware River at Marine Terminal at Trenton, New Jersey · River
The current water temperature at Delaware River at Marine Terminal at Trenton is 22.4 °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 167 data points since July 22, 2026.
Lowest recorded value: 22.4 °C on September 8, 2026 · highest value: 27.4 °C on August 7, 2026.
In September, temperatures have ranged between 22.4 °C and 25.3 °C.
The current value is 1.3 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Delaware River at Marine Terminal at Trenton right now?
The current water temperature is 22.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Delaware River at Marine Terminal at Trenton?
Currently 22.4 °C (updated continuously).
How warm is at Delaware River at Marine Terminal at Trenton in September?
In September, the water temperature recently averaged 23.7 °C.
When is the water warmest at Delaware River at Marine Terminal at Trenton?
Across the measurement record, July is on average the warmest month (25.6 °C).
