Norwalk River at Maritime Aquarium near S Norwalk, Connecticut water temperature
Norwalk River at Maritime Aquarium near S Norwalk, Connecticut · Sea/Coast
The current water temperature at Norwalk River at Maritime Aquarium near S Norwalk is 22.2 °C (as of September 20, 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 115 data points since August 26, 2026.
Lowest recorded value: 20.0 °C on September 8, 2026 · highest value: 25.2 °C on August 27, 2026.
In September, temperatures have ranged between 20.0 °C and 24.5 °C.
The current value is 1.3 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Norwalk River at Maritime Aquarium near S Norwalk right now?
The current water temperature is 22.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Norwalk River at Maritime Aquarium near S Norwalk?
Currently 22.2 °C (updated continuously).
How warm is at Norwalk River at Maritime Aquarium near S Norwalk in September?
In September, the water temperature recently averaged 23.5 °C.
How is the water quality at Norwalk River at Maritime Aquarium near S Norwalk?
The official classification is: good.
