Annie Spring near Crater Lake, Oregon · River
The current water temperature at Annie Spring near Crater Lake is 3.2 °C (as of August 29, 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.
Can you swim at Annie Spring near Crater Lake right now?
The current water temperature is 3.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Annie Spring near Crater Lake?
Currently 3.2 °C (updated continuously).