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Sihlsee
Sihlsee Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Sihlsee, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Lake Water Temperature Information
49°F
TODAY
50°F
YESTERDAY
52°F
A WEEK AGO
As of today, the minimum water temperature in the Sihlsee ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used.
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.
Analysis, Historical Data, and Forecast of Water Temperature
Water Temperature Chart for Sihlsee Over the Last 30 Days
Today the water temperature in Sihlsee is higher than the same day in previous years. The water temperature range here in November is from 39°F to 52°F. The water temperature has decreased over the past 7 days but has increased over the past month.
The forecasted water temperature values for Sihlsee are presented in the table below.
The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.
Daily Water Temperature Chart
| Date | Current | Average | Forecast |
|---|---|---|---|
| Nov 11 | 52°F | 46°F | |
| Nov 12 | 52°F | 46°F | |
| Nov 13 | 51°F | 46°F | |
| Nov 14 | 51°F | 46°F | |
| Nov 15 | 51°F | 46°F | |
| Nov 16 | 51°F | 46°F | |
| Nov 17 | 50°F | 46°F | |
| Nov 18 | 50°F | 46°F | |
| Nov 19 | 46°F | 48°F | |
| Nov 20 | 46°F | 48°F | |
| Nov 21 | 46°F | 48°F | |
| Nov 22 | 46°F | 48°F | |
| Nov 23 | 46°F | 47°F | |
| Nov 24 | 46°F | 47°F | |
| Nov 25 | 46°F | 47°F | |
| Nov 26 | 46°F | 47°F |
Water Temperature Ranges in Sihlsee by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 36°F | 39°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 33°F | 39°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 38°F | 45°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 41°F | 49°F | 57°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 52°F | 57°F | 63°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 70°F | 77°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 73°F | 82°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 75°F | 81°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 61°F | 66°F | 75°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 50°F | 55°F | 61°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 46°F | 52°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 36°F | 39°F |
Monthly Water Temperature Histogram for Sihlsee
Water Temperature in Cities and Towns on Sihlsee
Sihlsee Weather
NOVEMBER 19
28°F / 37°F
overcastrain: 33% | wind: 8 mph
NOVEMBER 20
28°F / 34°F
slight snow showerrain: 83% | wind: 6 mph
NOVEMBER 21
27°F / 30°F
slight snow showerrain: 60% | wind: 12 mph
NOVEMBER 22
25°F / 30°F
overcastrain: 35% | wind: 6 mph
NOVEMBER 23
28°F / 37°F
overcastrain: 52% | wind: 3 mph
NOVEMBER 24
36°F / 46°F
slight rain showersrain: 74% | wind: 13 mph
Water Temperature in Sihlsee: General Trends and Swimming Opportunities

© Jan Hlavacek
Type: reservoir
Primary inflows: Sihl, Minster
Primary outflows: Sihl
Basin countries: Switzerland
Max. length: 8.5 kilometres (5 mi)
Max. width: 2.5 kilometres (2 mi)
Surface area: 11.3 km2 (4.4 sq mi)
Max. depth: 17 metres (56 ft)
Water volume: 96 million cubic metres (78,000 acre⋅ft)
Surface elevation: 889 metres (2,917 ft)
Sihlsee is an artificial lake located in the canton of Schwyz, Switzerland. Created in the 1930s as a reservoir, it is now a popular destination for both locals and tourists. The lake is surrounded by beautiful landscapes and offers numerous recreational activities such as sailing, fishing, and hiking. The Sihlsee is also known for its rich biodiversity and is home to various bird species.
The water temperature in Sihlsee varies significantly throughout the year, making it suitable for swimming mainly during the summer months. The lake is a serene spot for relaxation and enjoying nature.
Geographical Location of Sihlsee
Nearby Lakes
Frequently Asked Questions About Sihlsee and its Water Temperatures
What is the current water temperature in Sihlsee?
The water temperature today in Sihlsee is 49°F (9.3°C).
What is the water temperature in Sihlsee during the summer months?
The average water temperature in Sihlsee during the summer months is typically between 69°F to 75°F (20°C to 24°C), and it can reach up to 82°F (28°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Sihlsee in May?
The average water temperature in Sihlsee in May ranges from 52°F to 63°F (11°C to 17°C).
What is the water temperature in Sihlsee in September?
The average water temperature in Sihlsee in September is typically between 61°F to 75°F (16°C to 24°C).
Where is Sihlsee located?
Sihlsee is located in Switzerland, at an elevation of 2,917 feet (889 meters) above sea level.
Is it possible to swim in Sihlsee and what are the possibilities for this?
Yes, it is possible to swim in Sihlsee, Switzerland. You can freely access the lake from surrounding public beaches and lidos, while obeying safety and environmental regulations.
What are the coordinates of Sihlsee?
Sihlsee is located at coordinates 47.1190°N 8.7880°E.

