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Flachsee — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Flachsee, trends, monthly ranges and the forecast for the coming days.

Flachsee, Switzerland
Flachsee, Switzerland © By Badener - Own work, GFDL

Current Water Temperature

19.8°C
Today
20.6°C
Yesterday
19.9°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Flachsee today is 19.8°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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

From August 31 to October 1

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 2419.9°C21.0°C
SEP 2520.3°C21.0°C
SEP 2619.7°C21.0°C
SEP 2720.3°C21.0°C
SEP 2820.5°C21.0°C
SEP 2920.3°C21.0°C
SEP 3020.6°C21.0°C
OCT 121.5°C14.0°C
OCT 214.0°C19.5°C
OCT 314.0°C19.2°C
OCT 414.0°C18.9°C
OCT 514.0°C18.6°C
OCT 614.0°C18.4°C
OCT 714.0°C18.1°C
OCT 814.0°C17.8°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
January3°C7°C10°C
February3°C5°C7°C
March4°C6°C10°C
April6°C11°C16°C
May13°C18°C22°C
June19°C22°C26°C
July22°C25°C30°C
August21°C25°C30°C
September16°C21°C26°C
October11°C14°C17°C
November7°C10°C13°C
December4°C7°C10°C

Flachsee: Water Temperature by Location

Flachsee: Weather Forecast

October 2

° / °
slight rain
rain: 80% | wind:

October 3

° / °
fog
rain: 0% | wind:

October 4

° / °
overcast
rain: 24% | wind:

October 5

° / °
fog
rain: 19% | wind:

October 6

° / °
fog
rain: 3% | wind:

Location & Local Information

Type: reservoir
Primary inflows: Reuss
Primary outflows: Reuss
Basin countries: Switzerland
Surface area: 72 ha (180 acres)
Max. depth: 7 m (23 ft)
Surface elevation: 378 m (1,240 ft)

Flachsee is a picturesque lake located in the Canton of Zurich, Switzerland. Surrounded by lush forests and rolling hills, it offers a serene environment for visitors looking to escape the hustle and bustle of city life. The lake is popular for fishing, hiking, and swimming, attracting nature lovers and outdoor enthusiasts alike. The pristine waters of Flachsee are known for their clarity and cleanliness, making it an inviting spot for swimming, especially during the summer months.

The water temperature in Flachsee varies throughout the year, reaching its peak during the warmer months. The lake's temperatures are typically pleasant for swimming from late spring to early autumn.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Flachsee?
Water Temperature in Flachsee today is 19.8°C.
What is the water temperature in Flachsee during the summer months?
The water temperature in Flachsee in summer fluctuates in the range of 19°C - 30°C.
Is it possible to swim in Flachsee and what are the possibilities for this?
Yes, it is possible to swim in Flachsee, Switzerland. You can access the water from the numerous grassy banks which allow for easy entry and there's also a bird observatory towards the southern end.