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

72.7

°F

August 31, 02:33

Trend:

decreasing

Yesterday:

72.8°F

Tomorrow:

72.6°F

Sunrise:

06:54

Sunset:

20:17

Day Length:

13 h. 23 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 72.7°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 2.0°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 stay about the same.

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 73.7°F on 2023, while the historical minimum was 68.7°F on 2021.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 71.8°F, the minimum temperature may reach 71.4°F, and the maximum might stay at 72.6°F.

Daily water temperature in Genève

Date Current Year

actual* / forecast**

last year 10 years average
Aug 17 78.4°F 75.1°F 72.2°F
Aug 18 77.7°F 74.5°F 72.1°F
Aug 19 77.4°F 74.4°F 72.1°F
Aug 20 76.2°F 73.6°F 71.8°F
Aug 21 75.3°F 72.9°F 71.9°F
Aug 22 74.6°F 72.3°F 71.7°F
Aug 23 72.6°F 72.3°F 71.4°F
Aug 24 71.0°F 72.8°F 71.2°F
Aug 25 70.6°F 72.0°F 71.3°F
Aug 26 71.8°F 72.1°F 71.1°F
Aug 27 71.1°F 71.7°F 70.9°F
Aug 28 72.4°F 71.2°F 70.9°F
Aug 29 72.3°F 72.5°F 70.9°F
Aug 30 72.8°F 72.0°F 70.8°F
Aug 31 72.7°F 69.9°F 70.7°F
Sep 1 72.6°F 69.5°F 70.6°F
Sep 2 72.3°F 68.9°F 70.3°F
Sep 3 71.8°F 68.5°F 69.8°F
Sep 4 71.6°F 68.4°F 69.6°F
Sep 5 71.4°F 68.6°F 69.4°F
Sep 6 71.4°F 67.9°F 69.4°F
Sep 7 71.4°F 68.2°F 69.4°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 61.1°F in Autumn.