Finn water temperature
Finn, Ballybofey · River
The current water temperature at Finn is 10.7 °C (as of October 16, 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 1430 data points since August 17, 2026.
Lowest recorded value: 10.7 °C on October 11, 2026 · highest value: 17.3 °C on August 28, 2026.
In October, temperatures have ranged between 10.7 °C and 13.6 °C.
The current value is 1.4 °C below the October average of this series.
Nearby waters
More measuring points: Finn
Frequently asked questions
Can you swim at Finn right now?
The current water temperature is 10.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Finn?
Currently 10.7 °C (updated continuously).
How warm is at Finn in October?
In October, the water temperature recently averaged 12.1 °C.
When is the water warmest at Finn?
Across the measurement record, August is on average the warmest month (15.7 °C).
