Lake Zurich — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Zurich, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Zurich today is 28.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating. 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 |
|---|---|---|---|
| JUL 14 | 27.2°C | 25.9°C | |
| JUL 15 | 29.5°C | 25.9°C | |
| JUL 16 | 29.6°C | 25.9°C | |
| JUL 17 | 29.4°C | 25.9°C | |
| JUL 18 | 29.4°C | 25.9°C | |
| JUL 19 | 29.2°C | 25.9°C | |
| JUL 20 | 28.8°C | 25.9°C | |
| JUL 21 | 28.5°C | 25.9°C | |
| JUL 22 | 25.9°C | 28.3°C | |
| JUL 23 | 25.9°C | 28.2°C | |
| JUL 24 | 25.9°C | 28.0°C | |
| JUL 25 | 25.9°C | 27.9°C | |
| JUL 26 | 25.9°C | 27.8°C | |
| JUL 27 | 25.9°C | 27.7°C | |
| JUL 28 | 25.9°C | 27.5°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 | 2°C | 4°C |
| February | 0°C | 3°C | 7°C |
| March | 0°C | 5°C | 10°C |
| April | 7°C | 12°C | 17°C |
| May | 14°C | 19°C | 24°C |
| June | 19°C | 24°C | 29°C |
| July | 23°C | 26°C | 31°C |
| August | 22°C | 27°C | 31°C |
| September | 16°C | 21°C | 26°C |
| October | 7°C | 12°C | 16°C |
| November | 1°C | 6°C | 11°C |
| December | 0°C | 3°C | 7°C |
Lake Zurich: Water Temperature by Location
Lake Zurich: Weather Forecast
July 22
July 23
July 24
July 25
Location & Local Information
Primary inflows: Linth (Linthkanal)
Primary outflows: Limmat
Catchment area: 1,829 km2 (706 sq mi)
Basin countries: Switzerland
Max. length: 40 kilometres (25 miles)
Max. width: 3 kilometres (2 miles)
Surface area: 88.66 square kilometres (34.23 square miles)
Average depth: 49 metres (161 feet)
Max. depth: 136 metres (446 feet)
Water volume: 3.9 km3 (0.94 cu mi)
Residence time: 440 days
Surface elevation: 406 m (1,332 ft)
Frozen: 1929, 1962/1963 (last)
Lake Zurich is a stunning body of water extending southeast from the city of Zurich, offering exceptional water quality that often meets drinking standards. Swimming is officially permitted and highly popular across the entire lake, supported by an extensive network of Badis or lakeside lido baths that provide safe access and amenities. The water temperature follows a distinct seasonal pattern: in the heat of summer, it usually reaches a comfortable range between 20°C and 24°C (68°F to 75°F). During the autumn, the water cools gradually, eventually reaching its winter lows of 4°C to 6°C (39°F to 43°F) in January and February.
Swimming is encouraged because the lake is well-monitored for safety and cleanliness, making it one of the cleanest urban swimming spots in the world. While the summer attracts thousands of bathers, the spring remains crisp, with temperatures rising from 10°C to 15°C. Most public facilities open in May when the water is still brisk but manageable. The regulated nature of the swimming areas ensures that the delicate ecosystem of the lake is protected while providing locals with a vital space for physical activity and relaxation throughout the warmer months.