All data are in degrees Fahrenheit

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Water temperature in Genève

Detailed information about the current water temperature in Genève. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Water temperature in Genève now

68.9

°F

September 24, 22:36

Trend:

decreasing

Yesterday:

69.6°F

Tomorrow:

68.5°F

Sunrise:

07:24

Sunset:

19:30

Day Length:

12 h. 6 min.

Genève in September

Minimum:

46.5°F

Average:

48.4°F

Maximum:

50.0°F

Water temperature in Genève today

As of now, in Genève, the water temperature is 68.9°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 3.0°F higher than the average recorded on this particular day in recent years. The water temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent water temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 68.8°F on 2023, while the historical minimum was 61.3°F on 2017.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 67.6°F, the minimum temperature may reach 66.9°F, and the maximum might stay at 68.5°F.

Daily water temperature in Genève

Date Current Year

actual* / forecast**

last year 10 years average
Sep 10 73.2°F 66.7°F 69.2°F
Sep 11 71.8°F 69.4°F 69.0°F
Sep 12 70.2°F 68.5°F 68.7°F
Sep 13 69.6°F 68.0°F 68.4°F
Sep 14 70.4°F 67.5°F 68.1°F
Sep 15 70.0°F 65.4°F 67.9°F
Sep 16 69.1°F 66.5°F 67.6°F
Sep 17 70.2°F 65.8°F 67.7°F
Sep 18 69.4°F 66.3°F 67.7°F
Sep 19 69.1°F 66.2°F 67.3°F
Sep 20 66.8°F 67.0°F 67.3°F
Sep 21 68.9°F 67.3°F 67.4°F
Sep 22 69.3°F 67.4°F 67.0°F
Sep 23 69.6°F 66.8°F 66.5°F
Sep 24 68.9°F 66.2°F 65.9°F
Sep 25 68.5°F 65.7°F 65.4°F
Sep 26 67.9°F 65.1°F 64.8°F
Sep 27 67.8°F 64.6°F 64.8°F
Sep 28 67.4°F 64.3°F 64.4°F
Sep 29 67.3°F 64.4°F 64.3°F
Sep 30 67.2°F 64.1°F 64.2°F
Oct 1 66.9°F 63.4°F 63.9°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Water temperature in Genève by month

In an average year, Genève offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Genève was recorded on August 16, 2026, reaching a 78.8°F. While the coldest temperature occurred on March 18, 2023, dipping to 43.4°F. The average readings by season are 48.5°F in Winter, 52.3°F in Spring, 69.2°F in Summer, and 61.2°F in Autumn.