All data are in degrees Fahrenheit

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Water temperature in Saint-Louis

Detailed information about the current water temperature in Saint-Louis. 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 Saint-Louis now

66.6

°F

April 19, 02:32

Trend:

stable

Yesterday:

66.8°F

Tomorrow:

66.9°F

Sunrise:

06:49

Sunset:

19:22

Day Length:

12 h. 33 min.

Saint-Louis in April

Minimum:

65.0°F

Average:

68.4°F

Maximum:

71.4°F

Sea water temperature in Saint-Louis today

As of now, in Saint-Louis, the water temperature is 66.6°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 1.2°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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 68.5°F on 2023, while the historical minimum was 64.0°F on 2018.

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 66.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Saint-Louis

Date Current Year

actual* / forecast**

last year 10 years average
Apr 5 67.4°F 64.3°F 64.8°F
Apr 6 68.0°F 63.7°F 65.0°F
Apr 7 68.4°F 62.9°F 64.5°F
Apr 8 68.5°F 64.4°F 64.8°F
Apr 9 67.8°F 63.6°F 64.6°F
Apr 10 67.5°F 65.0°F 64.8°F
Apr 11 68.0°F 66.9°F 65.0°F
Apr 12 68.8°F 66.6°F 64.9°F
Apr 13 67.2°F 67.2°F 65.0°F
Apr 14 67.8°F 65.3°F 65.1°F
Apr 15 68.0°F 67.6°F 65.6°F
Apr 16 66.1°F 66.9°F 65.6°F
Apr 17 67.5°F 67.7°F 65.9°F
Apr 18 66.8°F 67.3°F 65.6°F
Apr 19 66.6°F 66.3°F 65.5°F
Apr 20 66.9°F 68.1°F 65.8°F
Apr 21 66.7°F 68.1°F 65.6°F
Apr 22 67.2°F 69.9°F 66.1°F
Apr 23 66.8°F 69.7°F 65.6°F
Apr 24 66.5°F 70.0°F 65.4°F
Apr 25 66.8°F 69.8°F 65.6°F
Apr 26 67.2°F 70.4°F 66.0°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 Saint-Louis by month

In Saint-Louis, the months June through November offer comfortable swimming conditions, which amounts to 170 swimming days.
The warmest water in Saint-Louis was recorded on September 25, 2023, reaching a 86.2°F. While the coldest temperature occurred on February 10, 2018, dipping to 59.6°F. The average readings by season are 67.3°F in Winter, 66.3°F in Spring, 78.9°F in Summer, and 80.4°F in Autumn.