All data are in degrees Fahrenheit

en

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

62.7

°F

November 5, 03:32

Trend:

decreasing

Yesterday:

64.5°F

Tomorrow:

62.5°F

Sunrise:

06:41

Sunset:

17:26

Day Length:

10 h. 45 min.

Charleston in November

Minimum:

50.6°F

Average:

56.5°F

Maximum:

63.5°F

Sea water temperature in Charleston today

As of now, in Charleston, the water temperature is 62.7°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 6.6°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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 71.5°F on 2016, while the historical minimum was 65.7°F on 2023.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 61.7°F, the minimum temperature may reach 60.5°F, and the maximum might stay at 62.5°F.

Daily water temperature in Charleston

Date Current Year

actual* / forecast**

last year 10 years average
Oct 22 69.1°F 66.7°F 71.5°F
Oct 23 70.7°F 67.5°F 71.7°F
Oct 24 69.5°F 68.8°F 71.4°F
Oct 25 68.4°F 68.1°F 71.1°F
Oct 26 69.3°F 67.7°F 71.0°F
Oct 27 68.9°F 69.0°F 70.9°F
Oct 28 68.7°F 69.5°F 70.9°F
Oct 29 68.6°F 70.2°F 70.7°F
Oct 30 68.5°F 70.3°F 70.6°F
Oct 31 66.0°F 70.4°F 70.5°F
Nov 1 64.7°F 69.2°F 70.0°F
Nov 2 63.7°F 70.3°F 69.9°F
Nov 3 62.6°F 70.6°F 69.3°F
Nov 4 64.5°F 70.7°F 68.8°F
Nov 5 62.7°F 70.4°F 69.3°F
Nov 6 62.5°F 71.0°F 69.1°F
Nov 7 62.4°F 70.8°F 68.9°F
Nov 8 62.5°F 71.6°F 69.0°F
Nov 9 61.9°F 70.9°F 68.4°F
Nov 10 61.2°F 70.3°F 67.7°F
Nov 11 60.8°F 69.9°F 67.3°F
Nov 12 60.5°F 69.5°F 67.0°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 May through October offer comfortable swimming conditions, which amounts to 157 swimming days.
The warmest water in Charleston was recorded on July 19, 2024, reaching a 87.3°F. While the coldest temperature occurred on January 26, 2025, dipping to 44.2°F. The average readings by season are 57.0°F in Winter, 67.2°F in Spring, 82.8°F in Summer, and 73.6°F in Autumn.