Lake HefnerWater Level & Temperature
Lake Hefner water level & water temperature
Lake Hefner water level is updated continuously from the operating agency. Full pool elevation is 1201 ft. Live reading, 7-day trend, and multi-year history appear below as the data loads.
Lake Hefner water temperature by month
Lake Hefner surface water temperature averages from about 43°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
43°
Feb
46°
Mar
55°
Apr
64°
May
73°
Jun
80°
Jul
86°
Aug
85°
Sep
78°
Oct
67°
Nov
55°
Dec
44°
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.