Norwalk River water temperature
Norwalk River, Maritime Aquarium near S Norwalk, Connecticut · Sea/Coast
The current water temperature at Norwalk River is 16.2 °C (as of November 6, 2026, source: USGS).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
Water quality
Official EPA rating: goodMeasurement series & statistics
This measurement series includes 479 data points since September 7, 2026.
Lowest recorded value: 14.3 °C on October 12, 2026 · highest value: 24.2 °C on September 8, 2026.
In November, temperatures have ranged between 14.3 °C and 16.2 °C.
The current value is 0.9 °C above the November average of this series.
Nearby waters
Frequently asked questions
Can you swim at Norwalk 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 Norwalk River?
Currently 16.2 °C (updated continuously).
How warm is at Norwalk River in November?
In November, the water temperature recently averaged 15.3 °C.
When is the water warmest at Norwalk River?
Across the measurement record, September is on average the warmest month (21.3 °C).
How is the water quality at Norwalk River?
The official classification is: good.
