Salt Pond A4 water temperature
Salt Pond A4, Alviso, California · Lake
The current water temperature at Salt Pond A4 is 20.0 °C (as of September 21, 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 384 data points since July 23, 2026.
Lowest recorded value: 20.0 °C on September 21, 2026 · highest value: 28.9 °C on August 3, 2026.
In September, temperatures have ranged between 20.0 °C and 28.9 °C.
The current value is 3.2 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Salt Pond A4 right now?
The current water temperature is 20.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Salt Pond A4?
Currently 20.0 °C (updated continuously).
How warm is at Salt Pond A4 in September?
In September, the water temperature recently averaged 23.2 °C.
When is the water warmest at Salt Pond A4?
Across the measurement record, July is on average the warmest month (24.5 °C).
