Fern Ridge ReservoirWater Level & Temperature
Fern Ridge Reservoir water level & water temperature
Fern Ridge Reservoir water level is updated continuously from USGS gauge 14168000 (NGVD29). Full pool elevation is 373.5 ft. Live reading, 7-day trend, and multi-year history appear below as the data loads.
Fern Ridge Reservoir water temperature by month
Fern Ridge Reservoir surface water temperature averages from about 46°F in January to 74°F in August over the year, based on a 40-year USGS model (1980–2020). Cold-water caution applies in roughly half the year, when the typical temperature is below 60°F.
Jan
46°
Feb
47°
Mar
51°
Apr
56°
May
64°
Jun
68°
Jul
73°
Aug
74°
Sep
70°
Oct
62°
Nov
52°
Dec
47°
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.