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

67.2

°F

May 1, 05:03

Trend:

stable

Yesterday:

67.3°F

Tomorrow:

67.2°F

Sunrise:

06:41

Sunset:

19:25

Day Length:

12 h. 44 min.

Saint-Louis in May

Minimum:

63.9°F

Average:

67.7°F

Maximum:

71.2°F

Sea water temperature in Saint-Louis today

As of now, in Saint-Louis, the water temperature is 67.2°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 0.9°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 stay about the same.

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 69.4°F on 2023, while the historical minimum was 63.9°F on 2022.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 68.1°F, with minimum temperature starting at 67.2°F, while the maximum might reach 68.8°F.

Daily water temperature in Saint-Louis

Date Current Year

actual* / forecast**

last year 10 years average
Apr 17 67.7°F 70.1°F 65.5°F
Apr 18 67.3°F 69.4°F 65.4°F
Apr 19 66.3°F 68.5°F 65.4°F
Apr 20 68.1°F 69.7°F 65.6°F
Apr 21 68.1°F 68.1°F 65.4°F
Apr 22 69.9°F 69.4°F 65.9°F
Apr 23 69.7°F 67.1°F 65.6°F
Apr 24 70.0°F 66.6°F 65.4°F
Apr 25 69.8°F 67.3°F 65.6°F
Apr 26 70.4°F 67.3°F 65.9°F
Apr 27 69.5°F 67.0°F 66.3°F
Apr 28 71.0°F 67.2°F 66.8°F
Apr 29 69.2°F 66.8°F 66.5°F
Apr 30 67.3°F 67.9°F 66.4°F
May 1 67.2°F 69.4°F 66.3°F
May 2 67.2°F 69.2°F 66.3°F
May 3 67.6°F 70.8°F 66.7°F
May 4 67.7°F 72.7°F 66.8°F
May 5 68.5°F 73.3°F 67.6°F
May 6 68.7°F 73.4°F 67.7°F
May 7 68.8°F 70.4°F 67.9°F
May 8 68.4°F 71.5°F 67.5°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 171 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 67.2°F in Winter, 66.2°F in Spring, 78.9°F in Summer, and 80.5°F in Autumn.