Bass Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Bass Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Bass Lake today is 20.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| SEP 14 | 22.1°C | 23.5°C | |
| SEP 15 | 22.1°C | 23.5°C | |
| SEP 16 | 22.2°C | 23.5°C | |
| SEP 17 | 21.8°C | 23.5°C | |
| SEP 18 | 21.5°C | 23.5°C | |
| SEP 19 | 21.5°C | 23.5°C | |
| SEP 20 | 20.3°C | 23.5°C | |
| SEP 22 | 23.5°C | 20.6°C | |
| SEP 23 | 23.5°C | 20.7°C | |
| SEP 24 | 23.5°C | 20.9°C | |
| SEP 25 | 23.5°C | 21.0°C | |
| SEP 26 | 23.5°C | 21.2°C | |
| SEP 27 | 23.5°C | 21.3°C | |
| SEP 28 | 23.5°C | 21.5°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 3°C | 6°C | 10°C |
| February | 3°C | 7°C | 12°C |
| March | 4°C | 10°C | 16°C |
| April | 7°C | 11°C | 16°C |
| May | 12°C | 17°C | 21°C |
| June | 17°C | 21°C | 24°C |
| July | 21°C | 26°C | 30°C |
| August | 21°C | 25°C | 30°C |
| September | 20°C | 24°C | 27°C |
| October | 16°C | 18°C | 21°C |
| November | 10°C | 14°C | 17°C |
| December | 6°C | 9°C | 13°C |
Bass Lake: Water Temperature by Location
Bass Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Bass Lake’s water temperatures change noticeably through the year because it is a mountain reservoir with variable depth and inputs from snowmelt. In spring surface readings commonly sit in the roughly 50–65°F range (10–18°C) as snowmelt and cooler air keep the water cold. By summer the surface often warms into the high 60s to upper 70s °F (about 20–26°C), and on hot spells shallow bays can reach the low 80s °F (around 27–28°C). Temperatures generally taper off in fall, returning to something like 55–70°F (13–21°C), while winter surface values frequently fall to the 40–50°F range (4–10°C); deeper water remains colder year-round and warms or cools more slowly than shallow coves.
Swimming at Bass Lake is allowed and is a common recreational activity during the warmer months when surface temperatures are most comfortable. Many visitors swim from beaches and private shorelines, but large parts of the lake are unsupervised and boating traffic, variable depth and cold-water shock in shoulder seasons present real hazards. Because conditions vary by location and season, swimmers should choose sheltered, warmer coves, be aware of boat zones, and take standard safety precautions; local signage and marina rules provide site-specific guidance.