Lake AllatoonaWater Level & Temperature
Lake Allatoona water level & water temperature
Lake Allatoona water level is updated continuously from USGS gauge 02393500 (NGVD29). Full pool elevation is 840 ft. Live reading, 7-day trend, and multi-year history appear below as the data loads.
Lake Allatoona water temperature by month
Lake Allatoona surface water temperature averages from about 47°F in January to 86°F in July over the year, based on a 40-year USGS model (1980–2020). Cold-water caution applies in January, February, March, November and December, when the typical temperature is below 60°F.
Jan
47°
Feb
49°
Mar
58°
Apr
67°
May
77°
Jun
83°
Jul
86°
Aug
85°
Sep
80°
Oct
70°
Nov
58°
Dec
50°
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.