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 23.6°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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 |
|---|---|---|---|
| AUG 4 | 24.8°C | 23.9°C | |
| AUG 5 | 25.0°C | 23.9°C | |
| AUG 6 | 24.1°C | 23.9°C | |
| AUG 7 | 23.6°C | 23.9°C | |
| AUG 8 | 23.7°C | 23.9°C | |
| AUG 9 | 22.9°C | 23.9°C | |
| AUG 10 | 23.7°C | 23.9°C | |
| AUG 11 | 23.6°C | 23.9°C | |
| AUG 12 | 23.9°C | 23.6°C | |
| AUG 13 | 23.9°C | 23.6°C | |
| AUG 14 | 23.9°C | 23.6°C | |
| AUG 15 | 23.9°C | 23.7°C | |
| AUG 16 | 23.9°C | 23.7°C | |
| AUG 17 | 23.9°C | 23.7°C | |
| AUG 18 | 23.9°C | 23.7°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
August 12
August 13
August 14
August 15
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.