Boyne water temperature
Boyne, Slane Castle · River
The current water temperature at Boyne is 13.3 °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 1400 data points since July 22, 2026.
Lowest recorded value: 12.9 °C on July 22, 2026 · highest value: 13.3 °C on August 18, 2026.
In September, temperatures have ranged between 13.2 °C and 13.3 °C.
Nearby waters
More measuring points: Boyne
Frequently asked questions
Can you swim at Boyne right now?
The current water temperature is 13.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Boyne?
Currently 13.3 °C (updated continuously).
How warm is at Boyne in September?
In September, the water temperature recently averaged 13.3 °C.
When is the water warmest at Boyne?
Across the measurement record, September is on average the warmest month (13.3 °C).
