All data are in degrees Fahrenheit

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Water temperature in Charleston

Detailed information about the current water temperature in Charleston. 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 Charleston now

68.5

°F

June 22, 13:03

Trend:

stable

Yesterday:

69.2°F

Tomorrow:

68.8°F

Sunrise:

05:27

Sunset:

20:31

Day Length:

15 h. 4 min.

Charleston in June

Minimum:

39.8°F

Average:

42.4°F

Maximum:

43.9°F

Sea water temperature in Charleston today

As of now, in Charleston, the water temperature is 68.5°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 1.7°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 rise a bit.

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 minimum temperature for this date. The maximum temperature recorded for this date was 74.4°F on 2020, while the historical minimum was 68.0°F on 2016.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 69.3°F, with minimum temperature starting at 68.3°F, while the maximum might reach 69.8°F.

Daily water temperature in Charleston

Date Current Year

actual* / forecast**

last year 10 years average
Jun 8 66.4°F 70.6°F 66.2°F
Jun 9 66.0°F 69.5°F 65.6°F
Jun 10 65.9°F 68.6°F 65.8°F
Jun 11 65.4°F 68.5°F 65.9°F
Jun 12 68.0°F 68.3°F 66.4°F
Jun 13 67.4°F 68.5°F 66.8°F
Jun 14 67.0°F 68.7°F 66.8°F
Jun 15 66.8°F 69.6°F 67.2°F
Jun 16 67.1°F 71.0°F 67.9°F
Jun 17 67.1°F 70.1°F 67.5°F
Jun 18 67.2°F 72.5°F 68.6°F
Jun 19 67.4°F 72.1°F 68.6°F
Jun 20 69.2°F 74.0°F 69.1°F
Jun 21 69.2°F 74.4°F 69.5°F
Jun 22 68.5°F 74.0°F 70.2°F
Jun 23 68.8°F 74.3°F 70.5°F
Jun 24 68.3°F 74.7°F 70.0°F
Jun 25 69.5°F 75.9°F 71.2°F
Jun 26 69.7°F 73.0°F 71.4°F
Jun 27 69.7°F 72.1°F 71.4°F
Jun 28 69.7°F 72.6°F 71.4°F
Jun 29 69.8°F 72.8°F 71.5°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 Charleston by month

In Charleston, the months July through August offer comfortable swimming conditions, which amounts to 68 swimming days.
The warmest water in Charleston was recorded on July 20, 2020, reaching a 81.8°F. While the coldest temperature occurred on January 19, 2022, dipping to 33.6°F. The average readings by season are 41.8°F in Winter, 49.5°F in Spring, 73.2°F in Summer, and 63.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Staten Island 68.2°F 5mi
Coney Island 67.8°F 13mi
Jersey City 68.0°F 16mi
Brooklyn 68.1°F 17mi
New York City 68.0°F 17mi

* current water temperature in this city

** straight line distance from Charleston