Cedar Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Cedar Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Cedar Lake today is 13°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 | 15.7°C | 16.0°C | |
| OCT 6 | 15.8°C | 16.0°C | |
| OCT 7 | 14.7°C | 16.0°C | |
| OCT 8 | 15.2°C | 16.0°C | |
| OCT 9 | 15.0°C | 16.0°C | |
| OCT 10 | 14.8°C | 16.0°C | |
| OCT 11 | 13.5°C | 16.0°C | |
| OCT 12 | 13.9°C | 16.0°C | |
| OCT 13 | 16.0°C | 13.2°C | |
| OCT 14 | 16.0°C | 13.3°C | |
| OCT 15 | 16.0°C | 13.5°C | |
| OCT 16 | 16.0°C | 13.6°C | |
| OCT 17 | 16.0°C | 13.8°C | |
| OCT 18 | 16.0°C | 13.9°C | |
| OCT 19 | 16.0°C | 14.1°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 | 1°C | 4°C | 7°C |
| February | 1°C | 5°C | 8°C |
| March | 0°C | 3°C | 5°C |
| April | 2°C | 7°C | 12°C |
| May | 10°C | 17°C | 23°C |
| June | 15°C | 19°C | 23°C |
| July | 19°C | 24°C | 30°C |
| August | 20°C | 24°C | 27°C |
| September | 12°C | 17°C | 23°C |
| October | 13°C | 16°C | 19°C |
| November | 0°C | 6°C | 12°C |
| December | 0°C | 3°C | 6°C |
Cedar Lake: Water Temperature by Location
Cedar Lake: Weather Forecast
October 13
October 14
October 15
October 16
October 17
Location & Local Information
Cedar Lake in Wisconsin typically follows the seasonal temperature pattern of midwestern glacial lakes. After ice-out in spring, surface temperatures often range from about 35–55°F (2–13°C) and gradually warm through May and June. By midsummer the surface commonly reaches roughly 70–80°F (21–27°C), with the warmest afternoons sometimes slightly higher in shallow bays. In early fall the surface cools back into the 50–65°F range (10–18°C) before dropping toward ice formation; under winter ice the water near the surface is close to 32°F (0°C) while deeper water remains near 39°F (4°C), the temperature of maximum density for freshwater. These values vary with lake size, depth, weather, and shading, so local readings will differ year to year.
Swimming at Cedar Lake is generally possible and commonly done during the warmer months when surface temperatures are in the comfortable summer range. Public access points and beaches, where present, provide designated areas for swimming, and the warmer summer surface temps make recreational bathing safe for most people. However, cooler spring and fall waters can present cold-shock or hypothermia risks, and ice-covered conditions in winter prohibit ordinary swimming except for organized, well-prepared ice-swimming events. Always check local advisories for water quality and access rules before entering the water.