Las Casas Lake at Fort Buchanan, Guaynabo, Pr water temperature
Las Casas Lake at Fort Buchanan, Guaynabo, Pr · Lake
The current water temperature at Las Casas Lake at Fort Buchanan is 29.5 °C (as of September 20, 2026, source: USGS).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Measurement series & statistics
This measurement series includes 110 data points since August 26, 2026.
Lowest recorded value: 29.4 °C on September 2, 2026 · highest value: 30.9 °C on August 28, 2026.
In September, temperatures have ranged between 29.4 °C and 30.2 °C.
The current value is 0.3 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Las Casas Lake at Fort Buchanan right now?
The current water temperature is 29.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Las Casas Lake at Fort Buchanan?
Currently 29.5 °C (updated continuously).
How warm is at Las Casas Lake at Fort Buchanan in September?
In September, the water temperature recently averaged 29.8 °C.
