Water temperature in Charleston
83.4
°F
September 10, 06:16
Trend:
decreasingYesterday:
83.9°FTomorrow:
83.2°F
Sunrise:
Sunset:
Day Length:
12 h. 33 min.Charleston in September
Minimum:
48.6°FAverage:
55.5°FMaximum:
63.2°FSea water temperature in Charleston today
As of now, in Charleston, the water temperature is 83.4°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 1.5°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
Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 84.4°F on 2018, while the historical minimum was 78.0°F on 2024.
Daily water temperature in Charleston
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 27 | 85.3°F | 83.3°F | 83.5°F |
| Aug 28 | 84.8°F | 82.3°F | 83.4°F |
| Aug 29 | 83.9°F | 82.2°F | 83.4°F |
| Aug 30 | 83.8°F | 82.2°F | 83.3°F |
| Aug 31 | 83.7°F | 82.0°F | 83.4°F |
| Sep 1 | 83.7°F | 81.5°F | 83.3°F |
| Sep 2 | 84.1°F | 81.1°F | 83.4°F |
| Sep 3 | 83.8°F | 81.4°F | 83.1°F |
| Sep 4 | 84.3°F | 78.4°F | 82.8°F |
| Sep 5 | 84.1°F | 78.2°F | 82.6°F |
| Sep 6 | 84.2°F | 79.4°F | 82.4°F |
| Sep 7 | 85.1°F | 79.9°F | 82.4°F |
| Sep 8 | 85.4°F | 80.8°F | 82.5°F |
| Sep 9 | 83.9°F | 80.1°F | 82.1°F |
| Sep 10 | 83.4°F | 79.6°F | 81.9°F |
| Sep 11 | 83.2°F | 79.5°F | 81.7°F |
| Sep 12 | 82.9°F | 78.2°F | 81.3°F |
| Sep 13 | 82.7°F | 77.0°F | 81.2°F |
| Sep 14 | 82.7°F | 77.3°F | 81.2°F |
| Sep 15 | 82.8°F | 77.9°F | 81.3°F |
| Sep 16 | 82.6°F | 77.1°F | 81.1°F |
| Sep 17 | 82.2°F | 75.4°F | 80.6°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.