Wisconsin River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Wisconsin River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Wisconsin River today is 21.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 24 | 17.5°C | 21.1°C | |
| AUG 25 | 17.4°C | 21.1°C | |
| AUG 26 | 17.2°C | 21.1°C | |
| AUG 27 | 17.2°C | 21.1°C | |
| AUG 28 | 18.3°C | 21.1°C | |
| AUG 29 | 21.9°C | 21.1°C | |
| AUG 30 | 21.9°C | 21.1°C | |
| AUG 31 | 21.7°C | 21.1°C | |
| SEP 1 | 17.6°C | 21.5°C | |
| SEP 2 | 17.6°C | 21.3°C | |
| SEP 3 | 17.6°C | 21.1°C | |
| SEP 4 | 17.6°C | 20.9°C | |
| SEP 5 | 17.6°C | 20.7°C | |
| SEP 6 | 17.6°C | 20.5°C | |
| SEP 7 | 17.6°C | 20.3°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 | 5°C | 9°C |
| February | 0°C | 5°C | 9°C |
| March | 0°C | 6°C | 11°C |
| April | 1°C | 9°C | 16°C |
| May | 6°C | 14°C | 21°C |
| June | 14°C | 19°C | 22°C |
| July | 17°C | 22°C | 28°C |
| August | 17°C | 21°C | 26°C |
| September | 11°C | 18°C | 19°C |
| October | 8°C | 13°C | 18°C |
| November | 2°C | 9°C | 16°C |
| December | 1°C | 5°C | 8°C |
Wisconsin River: Water Temperature by Location
🇺🇸 United States > Wisconsin
- Eagle River18.0°C
- Kronenwetter19.1°C
- Lake Delton20.4°C
- Lake Wisconsin19.8°C
- Merrill18.5°C
- Mosinee19.3°C
- Muscoda21.1°C
- Nekoosa19.8°C
- Plover20.3°C
- Port Edwards20.1°C
- Portage20.4°C
- Prairie du Sac18.7°C
- Rhinelander17.9°C
- Rothschild19.2°C
- Sauk City18.8°C
- Schofield19.1°C
- Spring Green20.7°C
- Stevens Point20.2°C
- Tomahawk18.4°C
- Wausau19.0°C
- Whiting20.2°C
- Wisconsin Dells20.2°C
- Wisconsin Rapids20.1°C
- Wisconsin River Flowage21.8°C
Wisconsin River: Weather Forecast
September 1
September 2
September 3
September 4
September 5
Location & Local Information
Source:
• location Lac Vieux Desert
• elevation 1,683 ft (513 m)
Mouth:
• location Mississippi River near Prairie du Chien, Wisconsin
Length 420 mi (680 km)
The Wisconsin River, which flows through the state of Wisconsin, offers a variety of outdoor activities, including swimming, particularly during the summer months. Water temperatures in the river typically range from 65°F to 75°F (18°C to 24°C) during the warmer season, providing a comfortable environment for swimming. The water can feel refreshing, especially on hot summer days, with cooler temperatures often found in the upstream areas where the river originates from the northern lakes and springs.
Swimming in the Wisconsin River is most popular in the slower-moving sections, where the current is less powerful and the water is calmer. These areas are often found near parks, lakes, and recreational zones, making them ideal for families and individuals looking to swim or wade in the river. The river also has shallow sections that are perfect for a relaxing dip or floating. However, swimmers should be cautious in faster sections with stronger currents, as the river can experience sudden changes in flow, especially after heavy rainfall.
The scenic beauty surrounding the Wisconsin River, including its lush forests, hills, and wildlife, makes it a perfect spot for outdoor recreation. In addition to swimming, visitors enjoy fishing, canoeing, and kayaking along the river. While the Wisconsin River may not be as famous for swimming as some other rivers, its cool waters, gentle sections, and picturesque landscape provide a great setting for a variety of water activities. Whether you're looking to swim or simply relax by the riverbank, the Wisconsin River offers a peaceful retreat in nature.