Muskego Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Muskego Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Muskego Lake today is 25.4°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 | 24.1°C | 22.5°C | |
| AUG 5 | 24.3°C | 22.5°C | |
| AUG 6 | 24.7°C | 22.5°C | |
| AUG 7 | 25.0°C | 22.5°C | |
| AUG 8 | 25.2°C | 22.5°C | |
| AUG 9 | 25.2°C | 22.5°C | |
| AUG 10 | 25.4°C | 22.5°C | |
| AUG 11 | 25.4°C | 22.5°C | |
| AUG 12 | 22.5°C | 25.3°C | |
| AUG 13 | 22.5°C | 25.1°C | |
| AUG 14 | 22.5°C | 25.0°C | |
| AUG 15 | 22.5°C | 24.8°C | |
| AUG 16 | 22.5°C | 24.7°C | |
| AUG 17 | 22.5°C | 24.5°C | |
| AUG 18 | 22.5°C | 24.4°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 | 2°C | 5°C | 7°C |
| February | 2°C | 5°C | 8°C |
| March | 0°C | 4°C | 9°C |
| April | 4°C | 9°C | 14°C |
| May | 11°C | 17°C | 23°C |
| June | 12°C | 17°C | 23°C |
| July | 20°C | 25°C | 30°C |
| August | 18°C | 23°C | 27°C |
| September | 12°C | 16°C | 20°C |
| October | 13°C | 17°C | 20°C |
| November | 0°C | 6°C | 11°C |
| December | 3°C | 3°C | 8°C |
Muskego Lake: Water Temperature by Location
Muskego Lake: Weather Forecast
August 12
August 13
August 14
August 15
Location & Local Information
Muskego Lake in southeastern Wisconsin experiences pronounced seasonal shifts in water temperature. In spring the lake is cool, often ranging from the low 40s to the upper 60s °F (about 5–20 °C) as it stratifies. Peak summer surface temperatures in July and August commonly reach the mid-70s to low 80s °F (24–28 °C), and shallow bays can warm a bit higher on hot, calm days. By early fall temperatures usually fall back into the 50s and 60s °F (10–20 °C) as the surface cools and mixing increases. In winter the surface approaches freezing, around 32 °F (0 °C), and the lake frequently freezes over enough for ice cover.
Swimming at Muskego Lake is generally permitted and popular at public access points and private shorelines because the lake is used for recreation and provides designated beach and launch areas. However, swimming is typically recommended only in marked or supervised areas because boating, submerged vegetation, and occasional water-quality issues such as elevated bacteria counts or cyanobacterial (blue-green algae) blooms can create hazards or lead to temporary advisories. Local parks departments post current advisories and conditions, so checking those before entering the water is advisable.