Waterford Harbour water temperature
Waterford Harbour, Dunmore East · River
The current water temperature at Waterford Harbour is 16.4 °C (as of September 20, 2026, source: official monitoring networks).
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 1399 data points since July 22, 2026.
Lowest recorded value: 16.4 °C on September 18, 2026 · highest value: 18.3 °C on August 14, 2026.
In September, temperatures have ranged between 16.4 °C and 17.4 °C.
The current value is 0.6 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Waterford Harbour right now?
The current water temperature is 16.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Waterford Harbour?
Currently 16.4 °C (updated continuously).
How warm is at Waterford Harbour in September?
In September, the water temperature recently averaged 17.0 °C.
When is the water warmest at Waterford Harbour?
Across the measurement record, July is on average the warmest month (17.6 °C).
