What is the current water temperature in Cassis?

As of now, in Cassis, the water temperature is 24.73°C. It's safe to say that the water is comfortably warm for various water-related activities.

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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.

76.5

°F

July 31, 01:12

Trend:

stable

Yesterday:

76.6°F

Tomorrow:

76.7°F

Sunrise:

06:26

Sunset:

21:01

Day Length:

14 h. 35 min.

Cassis in August

Minimum:

56.3°F

Average:

58.5°F

Maximum:

60.2°F

Sea water temperature in Cassis today

As of now, in Cassis, the water temperature is 76.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.8°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise 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 maximum temperature for this date. The maximum temperature recorded for this date was 78.4°F on 2024, while the historical minimum was 65.5°F on 2025.

latest data

last year

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 76.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Cassis

Date	Current Year actual* / forecast**	last year	10 years average
Jul 17	80.3°F	69.9°F	72.1°F
Jul 18	81.0°F	69.2°F	72.4°F
Jul 19	80.4°F	70.4°F	73.2°F
Jul 20	80.4°F	72.5°F	74.2°F
Jul 21	80.2°F	73.8°F	74.9°F
Jul 22	79.4°F	74.6°F	74.9°F
Jul 23	78.5°F	73.2°F	74.9°F
Jul 24	77.7°F	73.0°F	74.8°F
Jul 25	76.2°F	72.7°F	74.4°F
Jul 26	76.6°F	71.1°F	74.3°F
Jul 27	75.6°F	69.5°F	74.3°F
Jul 28	74.2°F	68.4°F	74.2°F
Jul 29	73.5°F	67.5°F	73.9°F
Jul 30	76.6°F	64.6°F	73.8°F
Jul 31	76.5°F	65.5°F	73.7°F
Aug 1	76.7°F	67.6°F	73.9°F
Aug 2	76.6°F	70.3°F	73.9°F
Aug 3	76.6°F	69.6°F	73.8°F
Aug 4	76.4°F	67.8°F	73.6°F
Aug 5	76.7°F	68.9°F	73.9°F
Aug 6	76.8°F	71.4°F	74.0°F
Aug 7	76.9°F	72.5°F	74.1°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 57.

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 58.3°F in Winter, 59.1°F in Spring, 72.4°F in Summer, and 68.3°F in Autumn.