Lake WinnebagoWater Level & Temperature
Lake Winnebago water level & water temperature
Lake Winnebago water level is updated continuously from USGS gauge 04082500 (NAVD88). Typical level elevation is 747.36 ft. Live reading, 7-day trend, and multi-year history appear below as the data loads.
Lake Winnebago water temperature by month
Lake Winnebago surface water temperature averages from about 34°F in February to 76°F in July over the year, based on a 40-year USGS model (1980–2020). Cold-water caution applies in roughly half the year, when the typical temperature is below 60°F.
Jan
34°
Feb
34°
Mar
37°
Apr
44°
May
56°
Jun
69°
Jul
76°
Aug
75°
Sep
68°
Oct
55°
Nov
44°
Dec
36°
Typical surface temperatures (°F), modeled historical averages (USGS 185k-lake dataset, 1980–2020). Colors flag cold-water risk: blue/amber/red = cool, caution, danger. Live and recent readings appear above where a sensor is available.