Madison — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Madison, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Madison today is 17°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| SEP 25 | 18.3°C | 16.2°C | |
| SEP 26 | 18.0°C | 16.2°C | |
| SEP 27 | 18.4°C | 16.2°C | |
| SEP 28 | 18.3°C | 16.2°C | |
| SEP 29 | 17.8°C | 16.2°C | |
| SEP 30 | 18.4°C | 16.2°C | |
| OCT 1 | 16.9°C | 13.5°C | |
| OCT 2 | 17.0°C | 13.5°C | |
| OCT 3 | 13.5°C | 16.8°C | |
| OCT 4 | 13.5°C | 16.7°C | |
| OCT 5 | 13.5°C | 16.5°C | |
| OCT 6 | 13.5°C | 16.3°C | |
| OCT 7 | 13.5°C | 16.1°C | |
| OCT 8 | 13.5°C | 16.0°C | |
| OCT 9 | 13.5°C | 15.8°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 | 5°C | 9°C |
| February | 1°C | 5°C | 9°C |
| March | 3°C | 7°C | 11°C |
| April | 4°C | 10°C | 16°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 22°C |
| July | 16°C | 20°C | 24°C |
| August | 17°C | 20°C | 24°C |
| September | 11°C | 16°C | 22°C |
| October | 8°C | 14°C | 19°C |
| November | 3°C | 8°C | 16°C |
| December | 1°C | 5°C | 8°C |
Madison: Weather Forecast
October 3
October 4
October 5
October 6
Location & Local Information
Madison, Wisconsin, is well-known for its beautiful lakes and numerous opportunities for water activities. The city is situated between two large lakes—Lake Mendota and Lake Monona—both of which offer a variety of recreational options, including swimming, boating, and fishing. Water temperatures in these lakes can vary depending on the time of year. In the summer months, the water temperatures generally range from 65°F to 75°F (18°C to 24°C), providing a comfortable setting for swimming and other water-based activities. Early in the summer, the water tends to be a bit cooler, especially in deeper areas, but as the season progresses, the temperatures become more inviting.
Swimming is a popular activity in Madison, especially at the city's public beaches and designated swimming areas along the lakes. Parks like James Madison Park, for instance, offer sandy beaches where visitors can swim in the relatively calm and warmer waters. The shallower areas of the lakes heat up faster, making them ideal for families and swimmers who enjoy the sun. While the lakes are generally safe for swimming, it's important to be mindful of water conditions, as lake currents and weather can occasionally affect water safety.
Additionally, for those who prefer a more controlled environment, Madison has public swimming pools with water temperatures typically maintained between 78°F and 82°F (25°C to 28°C). These pools are a great option for comfortable swimming, particularly for children and those looking for a break from lake water. In the cooler months, people often enjoy indoor swimming pools as well. Overall, Madison offers a range of swimming options, from the cool and refreshing waters of its lakes to more regulated pool environments, making it a great destination for water enthusiasts year-round.