Osoyoos Lake water temperature
Osoyoos Lake, Oroville, Washington · Lake
The current water temperature at Osoyoos Lake is 11.3 °C (as of November 6, 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 521 data points since September 7, 2026.
Lowest recorded value: 11.0 °C on November 3, 2026 · highest value: 22.6 °C on September 8, 2026.
In November, temperatures have ranged between 11.0 °C and 12.1 °C.
The current value is 0.3 °C below the November average of this series.
Nearby waters
Frequently asked questions
Can you swim at Osoyoos Lake right now?
The current water temperature is 11.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Osoyoos Lake?
Currently 11.3 °C (updated continuously).
How warm is at Osoyoos Lake in November?
In November, the water temperature recently averaged 11.6 °C.
When is the water warmest at Osoyoos Lake?
Across the measurement record, September is on average the warmest month (19.9 °C).
