Yellow Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Yellow Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Yellow Lake today is 24.3°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 | 25.7°C | 24.0°C | |
| AUG 5 | 25.7°C | 24.0°C | |
| AUG 6 | 25.3°C | 24.0°C | |
| AUG 7 | 25.3°C | 24.0°C | |
| AUG 8 | 25.8°C | 24.0°C | |
| AUG 9 | 25.8°C | 24.0°C | |
| AUG 10 | 24.4°C | 24.0°C | |
| AUG 11 | 24.5°C | 24.0°C | |
| AUG 12 | 24.0°C | 24.3°C | |
| AUG 13 | 24.0°C | 24.3°C | |
| AUG 14 | 24.0°C | 24.3°C | |
| AUG 15 | 24.0°C | 24.2°C | |
| AUG 16 | 24.0°C | 24.2°C | |
| AUG 17 | 24.0°C | 24.2°C | |
| AUG 18 | 24.0°C | 24.2°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 | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 2°C | 7°C | 13°C |
| May | 9°C | 14°C | 20°C |
| June | 16°C | 22°C | 27°C |
| July | 18°C | 23°C | 27°C |
| August | 20°C | 24°C | 28°C |
| September | 18°C | 21°C | 23°C |
| October | 6°C | 13°C | 19°C |
| November | 2°C | 8°C | 12°C |
| December | 1°C | 3°C | 6°C |
Yellow Lake: Water Temperature by Location
Yellow Lake: Weather Forecast
August 12
August 13
August 14
August 15
August 16
Location & Local Information
Yellow Lake in Wisconsin follows the typical seasonal cycle of small inland lakes in the region. Surface water temperatures during winter sit at or just above freezing, about 32°F (0°C), and the lake is commonly ice-covered for months. In spring, thawing raises temperatures into the mid-30s to mid-50s °F (about 2–13°C) as the water mixes and warms. Summer brings the warmest conditions, with surface readings often ranging from roughly 68–78°F (20–26°C) and occasionally reaching the low 80s °F (27–29°C) during heat spells. By autumn the lake cools again to approximately 50–65°F (10–18°C) before refreezing in winter. Deeper layers remain colder year-round and stratification can create cooler pockets even in summer.
Swimming at Yellow Lake is generally possible during the warmer months when surface temperatures are comfortable for recreation. Public access points and local beaches typically permit swimming, but availability depends on land ownership, management by county or town parks, and posted rules. Seasonal cold and ice make swimming unsafe outside summer, and short-term advisories — for example, from algal blooms or water-quality concerns — can temporarily restrict swimming. Visitors should check local signage and advisories, observe safety measures for temperature and depth, and be mindful that sudden chills in cooler water can pose risks even on warm days.
