All data are in degrees Fahrenheit

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Water temperature in Cassis

Detailed information about the current water temperature in Cassis. 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.
Sea temperature in Cassis now

68.0

°F

September 18, 17:28

Trend:

stable

Yesterday:

67.2°F

Tomorrow:

67.7°F

Sunrise:

07:20

Sunset:

19:43

Day Length:

12 h. 23 min.

Cassis in September

Minimum:

56.1°F

Average:

58.6°F

Maximum:

60.1°F

Sea water temperature in Cassis today

As of now, in Cassis, the water temperature is 68.0°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 4.7°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea 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 minimum temperature for this date. The maximum temperature recorded for this date was 75.8°F on 2020, while the historical minimum was 65.3°F on 2017.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 67.1°F, the minimum temperature may reach 66.5°F, and the maximum might stay at 67.7°F.

Daily water temperature in Cassis

Date Current Year

actual* / forecast**

last year 10 years average
Sep 4 71.8°F 79.6°F 73.8°F
Sep 5 72.2°F 79.3°F 74.1°F
Sep 6 70.8°F 79.4°F 74.2°F
Sep 7 72.0°F 78.7°F 74.4°F
Sep 8 71.7°F 77.9°F 73.8°F
Sep 9 71.9°F 78.0°F 73.5°F
Sep 10 72.7°F 76.8°F 73.5°F
Sep 11 72.3°F 75.7°F 73.3°F
Sep 12 70.6°F 74.3°F 72.9°F
Sep 13 69.3°F 73.6°F 73.0°F
Sep 14 69.8°F 72.9°F 73.1°F
Sep 15 68.2°F 71.2°F 72.8°F
Sep 16 68.3°F 67.6°F 72.2°F
Sep 17 67.2°F 67.7°F 72.2°F
Sep 18 68.0°F 68.8°F 72.7°F
Sep 19 67.7°F 68.6°F 72.5°F
Sep 20 67.4°F 69.6°F 72.1°F
Sep 21 67.3°F 71.1°F 72.0°F
Sep 22 67.3°F 72.8°F 72.1°F
Sep 23 67.2°F 72.6°F 71.9°F
Sep 24 66.5°F 72.4°F 71.3°F
Sep 25 66.5°F 71.7°F 71.2°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.

Sea water temperature in Cassis by month

In Cassis, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 54.
The warmest water in Cassis was recorded on July 20, 2022, reaching a 81.6°F. While the coldest temperature occurred on March 3, 2018, dipping to 55.4°F. The average readings by season are 58.2°F in Winter, 58.9°F in Spring, 72.3°F in Summer, and 68.2°F in Autumn.