Lake PontchartrainWater Level & Temperature
Lake Pontchartrain water level & water temperature
Lake Pontchartrain water level is updated continuously from the operating agency. Typical level elevation is 0.5 ft. Live reading, 7-day trend, and multi-year history appear below as the data loads.
Lake Pontchartrain water temperature by month
Lake Pontchartrain surface water temperature averages from about 58°F in January to 89°F in August over the year, based on a 40-year USGS model (1980–2020). Cold-water caution applies in January and February, when the typical temperature is below 60°F.
Jan
58°
Feb
59°
Mar
66°
Apr
72°
May
81°
Jun
87°
Jul
89°
Aug
89°
Sep
86°
Oct
78°
Nov
69°
Dec
62°
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.