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

84.0

°F

August 29, 19:06

Trend:

stable

Yesterday:

83.9°F

Tomorrow:

83.8°F

Sunrise:

06:53

Sunset:

19:21

Day Length:

12 h. 28 min.

Saint-Louis in September

Minimum:

63.1°F

Average:

67.3°F

Maximum:

71.4°F

Sea water temperature in Saint-Louis today

As of now, in Saint-Louis, the water temperature is 84.0°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.8°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 fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 85.2°F on 2020, while the historical minimum was 81.0°F on 2016.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 83.9°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
Aug 15 82.5°F 83.4°F 82.7°F
Aug 16 82.6°F 82.9°F 82.3°F
Aug 17 82.7°F 83.4°F 82.3°F
Aug 18 82.9°F 83.2°F 82.3°F
Aug 19 82.8°F 83.1°F 82.4°F
Aug 20 82.3°F 83.1°F 82.2°F
Aug 21 83.5°F 83.1°F 82.5°F
Aug 22 83.2°F 82.8°F 82.7°F
Aug 23 83.6°F 84.3°F 83.0°F
Aug 24 83.7°F 83.2°F 83.0°F
Aug 25 83.8°F 81.8°F 82.9°F
Aug 26 83.5°F 82.1°F 83.0°F
Aug 27 83.3°F 83.8°F 83.0°F
Aug 28 83.9°F 84.3°F 83.0°F
Aug 29 84.0°F 84.1°F 83.2°F
Aug 30 83.8°F 83.9°F 83.0°F
Aug 31 84.1°F 82.8°F 83.3°F
Sep 1 83.9°F 82.6°F 83.2°F
Sep 2 83.7°F 82.4°F 82.9°F
Sep 3 83.9°F 82.2°F 83.1°F
Sep 4 83.8°F 81.6°F 83.0°F
Sep 5 84.0°F 82.6°F 83.2°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 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 67.3°F in Winter, 66.4°F in Spring, 79.0°F in Summer, and 80.4°F in Autumn.