All data are in degrees Fahrenheit

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Water temperature in Saint Augustine

Detailed information about the current water temperature in Saint Augustine. 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 Augustine now

84.4

°F

July 2, 19:19

Trend:

stable

Yesterday:

84.5°F

Tomorrow:

84.4°F

Sunrise:

06:28

Sunset:

20:30

Day Length:

14 h. 2 min.

Saint Augustine in July

Minimum:

55.7°F

Average:

62.5°F

Maximum:

66.3°F

Sea water temperature in Saint Augustine today

As of now, in Saint Augustine, the water temperature is 84.4°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 2.0°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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 84.8°F on 2024, while the historical minimum was 80.5°F on 2018.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 84.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Saint Augustine

Date Current Year

actual* / forecast**

last year 10 years average
Jun 18 82.4°F 80.3°F 81.1°F
Jun 19 82.8°F 80.1°F 81.1°F
Jun 20 82.4°F 80.4°F 81.1°F
Jun 21 82.7°F 80.9°F 81.2°F
Jun 22 83.7°F 81.3°F 81.3°F
Jun 23 83.8°F 80.0°F 81.3°F
Jun 24 83.2°F 80.9°F 81.4°F
Jun 25 83.2°F 80.3°F 81.3°F
Jun 26 83.3°F 81.6°F 81.5°F
Jun 27 83.8°F 81.4°F 81.6°F
Jun 28 83.6°F 80.8°F 81.8°F
Jun 29 83.8°F 80.8°F 81.8°F
Jun 30 84.1°F 81.2°F 82.1°F
Jul 1 84.5°F 80.3°F 82.4°F
Jul 2 84.4°F 80.9°F 82.4°F
Jul 3 84.4°F 80.3°F 82.4°F
Jul 4 84.4°F 79.9°F 82.4°F
Jul 5 84.6°F 80.0°F 82.6°F
Jul 6 84.7°F 78.8°F 82.7°F
Jul 7 84.8°F 78.7°F 82.8°F
Jul 8 84.8°F 79.4°F 82.9°F
Jul 9 84.9°F 79.9°F 82.9°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 Augustine by month

In Saint Augustine, the months May through October offer comfortable swimming conditions, which amounts to 191 swimming days.
The warmest water in Saint Augustine was recorded on July 24, 2016, reaching a 86.2°F. While the coldest temperature occurred on January 19, 2018, dipping to 50.0°F. The average readings by season are 62.3°F in Winter, 70.0°F in Spring, 82.0°F in Summer, and 77.5°F in Autumn.