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

63.6

°F

December 21, 13:29

Trend:

stable

Yesterday:

63.5°F

Tomorrow:

63.4°F

Sunrise:

07:17

Sunset:

17:31

Day Length:

10 h. 14 min.

Saint Augustine in December

Minimum:

53.5°F

Average:

62.6°F

Maximum:

66.4°F

Sea water temperature in Saint Augustine today

As of now, in Saint Augustine, the water temperature is 63.6°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.3°F lower 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

Today's water temperature is slightly 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 68.0°F on 2021, while the historical minimum was 60.9°F on 2018.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 63.0°F, the minimum temperature may reach 62.7°F, and the maximum might stay at 63.4°F.

Daily water temperature in Saint Augustine

Date Current Year

actual* / forecast**

last year 10 years average
Dec 7 64.9°F 66.2°F 67.2°F
Dec 8 63.7°F 65.8°F 66.9°F
Dec 9 63.2°F 66.0°F 66.7°F
Dec 10 63.7°F 66.7°F 66.4°F
Dec 11 64.7°F 66.5°F 66.3°F
Dec 12 64.0°F 65.3°F 65.7°F
Dec 13 64.4°F 65.1°F 65.5°F
Dec 14 64.0°F 65.3°F 65.4°F
Dec 15 63.3°F 63.9°F 65.0°F
Dec 16 63.3°F 63.9°F 64.9°F
Dec 17 62.9°F 64.0°F 65.0°F
Dec 18 63.2°F 64.2°F 65.1°F
Dec 19 64.4°F 63.2°F 65.2°F
Dec 20 63.5°F 63.3°F 65.3°F
Dec 21 63.6°F 62.3°F 64.8°F
Dec 22 63.4°F 61.3°F 64.7°F
Dec 23 63.4°F 61.6°F 64.6°F
Dec 24 63.0°F 61.1°F 64.3°F
Dec 25 62.9°F 60.2°F 64.2°F
Dec 26 62.7°F 60.8°F 64.0°F
Dec 27 62.7°F 61.1°F 63.9°F
Dec 28 62.8°F 61.6°F 64.1°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 Saint Augustine by month

In Saint Augustine, the months May through October offer comfortable swimming conditions, which amounts to 190 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 63.1°F in Winter, 69.8°F in Spring, 81.9°F in Summer, and 77.5°F in Autumn.