Delaware River water temperature
Delaware River, Montague, New Jersey · River
The current water temperature at Delaware River is 12.6 °C (as of November 6, 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 515 data points since September 7, 2026.
Lowest recorded value: 9.3 °C on October 26, 2026 · highest value: 23.2 °C on September 11, 2026.
In November, temperatures have ranged between 9.3 °C and 12.6 °C.
The current value is 1.9 °C above the November average of this series.
Nearby waters
More measuring points: Delaware River
Frequently asked questions
Can you swim at Delaware River right now?
The current water temperature is 12.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Delaware River?
Currently 12.6 °C (updated continuously).
How warm is at Delaware River in November?
In November, the water temperature recently averaged 10.7 °C.
When is the water warmest at Delaware River?
Across the measurement record, September is on average the warmest month (19.5 °C).
