Lake TravisWater Level & Temperature
Lake Travis water level & water temperature
Lake Travis water level is updated continuously from USGS gauge 08154500 (NGVD29). Full pool elevation is 681 ft. Live reading, 7-day trend, and multi-year history appear below as the data loads.
Lake Travis water temperature by month
Lake Travis surface water temperature averages from about 54°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 and December, when the typical temperature is below 60°F.
Jan
54°
Feb
58°
Mar
64°
Apr
70°
May
77°
Jun
84°
Jul
86°
Aug
86°
Sep
83°
Oct
74°
Nov
64°
Dec
57°
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.