High Rock LakeWater Level & Temperature
High Rock Lake water level & water temperature
High Rock Lake water level is updated continuously from the operating agency. Full pool elevation is 655.2 ft. Live reading, 7-day trend, and multi-year history appear below as the data loads.
High Rock Lake water temperature by month
High Rock Lake surface water temperature averages from about 45°F in January to 85°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
45°
Feb
48°
Mar
56°
Apr
65°
May
75°
Jun
82°
Jul
85°
Aug
84°
Sep
79°
Oct
69°
Nov
57°
Dec
48°
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.