BrrChecker

Mountain Water water temperature

Mountain Water, Glaslough · River

The current water temperature at Mountain Water is 12.3 °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.

12.3 °C
Measured: September 20, 2026 · continuously updated
💧 Water 12.3° · ☀️ Air 12.2° · high today 15.5°
Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 1400 data points since July 22, 2026.

Lowest recorded value: 11.8 °C on August 24, 2026 · highest value: 19.0 °C on August 13, 2026.

In September, temperatures have ranged between 12.3 °C and 16.3 °C.

The current value is 2.1 °C below the September average of this series.

Nearby waters

Frequently asked questions

Can you swim at Mountain Water right now?
The current water temperature is 12.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Mountain Water?
Currently 12.3 °C (updated continuously).

How warm is at Mountain Water in September?
In September, the water temperature recently averaged 14.4 °C.

When is the water warmest at Mountain Water?
Across the measurement record, July is on average the warmest month (16.0 °C).

Open in the BrrChecker app

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