Delaware River water temperature
Delaware River, Del Mem Bridge at Wilmington, Delaware · River
The current water temperature at Delaware River is 16.2 °C (as of November 5, 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 533 data points since September 7, 2026.
Lowest recorded value: 15.6 °C on November 1, 2026 · highest value: 26.3 °C on September 7, 2026.
In November, temperatures have ranged between 15.6 °C and 16.3 °C.
The current value is 0.3 °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 16.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Delaware River?
Currently 16.2 °C (updated continuously).
How warm is at Delaware River in November?
In November, the water temperature recently averaged 15.9 °C.
When is the water warmest at Delaware River?
Across the measurement record, September is on average the warmest month (23.9 °C).
