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 22.1°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 |
|---|---|---|---|
| JUN 3 | 17.7°C | 20.5°C | |
| JUN 4 | 19.1°C | 20.5°C | |
| JUN 5 | 19.9°C | 20.5°C | |
| JUN 6 | 20.2°C | 20.5°C | |
| JUN 7 | 21.2°C | 20.5°C | |
| JUN 8 | 21.7°C | 20.5°C | |
| JUN 10 | 22.1°C | 20.5°C | |
| JUN 11 | 20.5°C | 22.0°C | |
| JUN 12 | 20.5°C | 21.9°C | |
| JUN 13 | 20.5°C | 21.9°C | |
| JUN 14 | 20.5°C | 21.8°C | |
| JUN 15 | 20.5°C | 21.7°C | |
| JUN 16 | 20.5°C | 21.6°C | |
| JUN 17 | 20.5°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 | 0°C | 3°C | 6°C |
| February | 0°C | 4°C | 7°C |
| March | 4°C | 7°C | 11°C |
| April | 6°C | 12°C | 17°C |
| May | 11°C | 15°C | 20°C |
| June | 17°C | 21°C | 24°C |
| July | 21°C | 25°C | 28°C |
| August | 21°C | 24°C | 26°C |
| September | 19°C | 23°C | 27°C |
| October | 13°C | 17°C | 21°C |
| November | 3°C | 9°C | 14°C |
| December | 0°C | 3°C | 5°C |
Bass Lake: Water Temperature by Location
Bass Lake: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Bass Lake in northern Indiana follows a typical Midwestern seasonal pattern for lake temperatures. In early spring surface waters often run cool, roughly 45–65°F (7–18°C) as the lake mixes and warms. By summer the surface commonly reaches about 70–80°F (21–27°C) on average and can climb into the mid‑80s°F (around 29°C) on particularly hot, calm days; deeper water remains several degrees cooler. In autumn the surface cools back into the 50–70°F (10–21°C) range as air temperatures drop. Winter brings near‑freezing conditions with surface temperatures close to 32–40°F (0–4°C) and frequent ice cover that largely prevents open‑water activity.
Swimming at Bass Lake is generally possible during the warm months at designated access points and private beaches, but availability depends on local property ownership, public access rules, and current health or safety advisories. Lifeguards are not guaranteed, and water quality can vary with algal activity, runoff, and boat traffic, so visitors should check local notices before entering the water. In winter the lake will typically be unsafe for swimming due to cold water and ice; even in shoulder seasons, cold shock and hypothermia are risks when water temperatures remain below comfortable tolerances.