Lemon C, Juneau, Alaska · River
The current water temperature at Lemon C is 3.7 °C (as of September 21, 2026, source: USGS).
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.
This measurement series includes 95 data points since August 26, 2026.
Lowest recorded value: 3.6 °C on September 1, 2026 · highest value: 5.3 °C on September 5, 2026.
In September, temperatures have ranged between 3.6 °C and 5.3 °C.
The current value is 0.6 °C below the September average of this series.
Can you swim at Lemon C right now?
The current water temperature is 3.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lemon C?
Currently 3.7 °C (updated continuously).
How warm is at Lemon C in September?
In September, the water temperature recently averaged 4.3 °C.