Boundary Reservoir at Forebay near Metaline Falls water temperature
Boundary Reservoir at Forebay near Metaline Falls · Lake
The current water temperature at Boundary Reservoir at Forebay near Metaline Falls is 17.8 °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.
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Measurement series & statistics
This measurement series includes 451 data points since July 22, 2026.
Lowest recorded value: 17.8 °C on September 20, 2026 · highest value: 24.3 °C on July 30, 2026.
In September, temperatures have ranged between 17.8 °C and 22.4 °C.
The current value is 2.5 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Boundary Reservoir at Forebay near Metaline Falls right now?
The current water temperature is 17.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Boundary Reservoir at Forebay near Metaline Falls?
Currently 17.8 °C (updated continuously).
How warm is at Boundary Reservoir at Forebay near Metaline Falls in September?
In September, the water temperature recently averaged 20.3 °C.
When is the water warmest at Boundary Reservoir at Forebay near Metaline Falls?
Across the measurement record, July is on average the warmest month (23.5 °C).
