Annie Spring near Crater Lake, Oregon water temperature
Annie Spring near Crater Lake, Oregon · River
The current water temperature at Annie Spring near Crater Lake is 2.8 °C (as of September 20, 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.
Measurement series & statistics
This measurement series includes 149 data points since July 22, 2026.
Lowest recorded value: 2.7 °C on August 30, 2026 · highest value: 3.4 °C on August 29, 2026.
In September, temperatures have ranged between 2.7 °C and 3.4 °C.
The current value is 0.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Annie Spring near Crater Lake right now?
The current water temperature is 2.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Annie Spring near Crater Lake?
Currently 2.8 °C (updated continuously).
How warm is at Annie Spring near Crater Lake in September?
In September, the water temperature recently averaged 2.9 °C.
When is the water warmest at Annie Spring near Crater Lake?
Across the measurement record, July is on average the warmest month (3.0 °C).
