Lake Monona Water Temperature Today
Latest public-sensor reading, recent temperature movement and weather context for trip planning.
Last seven days
Source: U.S. Geological Survey monitoring station ↗. Sensor readings can be provisional.
Is Lake Monona warming or cooling?
Across the available seven-day sensor series, Lake Monona is cooling. The net measured change is -3.4 °F.
Water temperature is highly local. Sun exposure, wind, inflow, depth, current, dam releases and time of day can all produce different readings around the same lake. Treat this as a monitored point, not a claim that every part of the lake is exactly the same temperature.
What the next few days look like
Lake Monona water-temperature FAQ
What is the water temperature at Lake Monona right now?
The latest matched USGS water-temperature reading is 62.8 °F, timestamped Oct 7, 4:00 PM UTC.
Is Lake Monona getting warmer or colder?
Across the available seven-day sensor series, the water is cooling, with a net change of -3.4 °F.
Why can Lake Monona water temperature differ from another website?
Water temperature varies by location, depth, time of day, wind, inflow and sensor placement. This page reports the matched public sensor and its timestamp rather than blending unrelated measurements.
Is the reported water temperature the whole-lake temperature?
No. It is a point measurement from a monitoring location. Large lakes can have meaningful temperature differences between coves, channels, shorelines, depths and open water.