Browns Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Browns Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Browns Lake today is 10.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used. 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 |
|---|---|---|---|
| OCT 5 | 11.2°C | 16.5°C | |
| OCT 6 | 10.9°C | 16.5°C | |
| OCT 7 | 11.0°C | 16.5°C | |
| OCT 8 | 11.8°C | 16.5°C | |
| OCT 9 | 12.1°C | 16.5°C | |
| OCT 10 | 11.8°C | 16.5°C | |
| OCT 11 | 11.0°C | 16.5°C | |
| OCT 12 | 11.4°C | 16.5°C | |
| OCT 13 | 16.5°C | 11.0°C | |
| OCT 14 | 16.5°C | 11.3°C | |
| OCT 15 | 16.5°C | 11.6°C | |
| OCT 16 | 16.5°C | 11.9°C | |
| OCT 17 | 16.5°C | 12.2°C | |
| OCT 18 | 16.5°C | 12.4°C | |
| OCT 19 | 16.5°C | 12.7°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 | 1°C | 4°C | 6°C |
| March | 1°C | 5°C | 8°C |
| April | 6°C | 10°C | 14°C |
| May | 11°C | 15°C | 19°C |
| June | 16°C | 19°C | 23°C |
| July | 20°C | 25°C | 30°C |
| August | 23°C | 25°C | 27°C |
| September | 18°C | 21°C | 24°C |
| October | 13°C | 17°C | 20°C |
| November | 3°C | 9°C | 15°C |
| December | 0°C | 3°C | 7°C |
Browns Lake: Water Temperature by Location
Browns Lake: Weather Forecast
October 13
October 14
October 15
October 16
October 17
Location & Local Information
Browns Lake in Wisconsin experiences the same seasonal swings as many small inland glacial lakes in the region. In spring the surface water commonly warms from roughly 45–65°F (7–18°C) as ice melts and air temperatures rise. By summer the lake typically reaches its warmest, often about 70–80°F (21–27°C) at the surface on sunny days, though shallow bays can be several degrees warmer. During fall the surface cools back into the 50–65°F (10–18°C) range before stratification breaks down, and in winter the lake usually sits near freezing with surface temperatures around 32°F (0°C) where ice forms; under-ice temperatures remain just above freezing. Local factors such as depth, shading, inflows and wind can push these numbers up or down.
Swimming is commonly allowed at Browns Lake and is a popular summertime activity when surface temperatures are comfortable, particularly at public-access spots and private beaches. That said, whether swimming is advisable on any given day depends on water quality and safety conditions: occasional harmful algal blooms, elevated bacteria levels after heavy rains, ice thickness in winter, or local ordinances can restrict swimming. Visitors should heed posted advisories, observe beach flags and signs, and follow basic safety practices because permitted access does not guarantee safe conditions at all times.