Waukesha — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Waukesha, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Waukesha today is 20.4°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 |
|---|---|---|---|
| JUN 24 | 19.7°C | 18.5°C | |
| JUN 25 | 19.7°C | 18.5°C | |
| JUN 26 | 19.7°C | 18.5°C | |
| JUN 27 | 18.6°C | 18.5°C | |
| JUN 28 | 18.5°C | 18.5°C | |
| JUN 29 | 19.9°C | 18.5°C | |
| JUN 30 | 20.3°C | 18.5°C | |
| JUL 1 | 20.4°C | 20.0°C | |
| JUL 2 | 20.0°C | 20.4°C | |
| JUL 3 | 20.0°C | 20.4°C | |
| JUL 4 | 20.0°C | 20.3°C | |
| JUL 5 | 20.0°C | 20.3°C | |
| JUL 6 | 20.0°C | 20.3°C | |
| JUL 7 | 20.0°C | 20.3°C | |
| JUL 8 | 20.0°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 | 2°C | 6°C | 9°C |
| February | 2°C | 6°C | 9°C |
| March | 2°C | 7°C | 11°C |
| April | 5°C | 10°C | 16°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 22°C |
| July | 17°C | 20°C | 24°C |
| August | 17°C | 21°C | 24°C |
| September | 11°C | 17°C | 22°C |
| October | 8°C | 14°C | 20°C |
| November | 3°C | 8°C | 16°C |
| December | 3°C | 5°C | 8°C |
Waukesha: Weather Forecast
July 2
July 3
July 4
July 5
Location & Local Information
Waukesha, Wisconsin, is situated along the Fox River, a scenic waterway that flows through the city, providing opportunities for outdoor recreation. The water temperature in the Fox River can vary significantly throughout the year, with summer temperatures typically ranging from 60°F to 70°F (16°C to 21°C). While these temperatures can be refreshing for activities like fishing, kayaking, and canoeing, they tend to be too cool for comfortable swimming, especially early in the summer when the river is still influenced by spring runoff and cooler air temperatures.
Swimming in the Fox River near Waukesha is not as common due to the relatively cool water temperatures and the river's moderate currents. While the river is a popular spot for boating and floating, especially in the warmer months, it isn't typically a primary destination for swimmers. However, some people do enjoy taking a brief dip in certain calmer sections, especially during the peak summer months when the air temperature can reach into the 80s and 90s (27°C to 32°C). Still, it's important to note that the cooler water can be a challenge for extended swims, and the river's currents may make swimming less safe in certain areas.
For those looking for a more traditional swimming experience, Waukesha offers local public pools where water temperatures are maintained at a comfortable 78°F to 82°F (25°C to 28°C). Additionally, nearby lakes and recreational areas, such as the Fox River’s tributaries or the Pewaukee Lake to the north, provide warmer water conditions, making them better suited for swimming and water-based recreation.