Water temperature in Charleston
76.2
°F
September 18, 15:44
Trend:
increasingYesterday:
75.4°FTomorrow:
76.3°F
Sunrise:
Sunset:
Day Length:
12 h. 17 min.Charleston in September
Minimum:
48.6°FAverage:
56.3°FMaximum:
64.1°FSea water temperature in Charleston today
As of now, in Charleston, the water temperature is 76.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 5.0°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.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 85.8°F on 2023, while the historical minimum was 76.0°F on 2024.
Daily water temperature in Charleston
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 4 | 78.4°F | 83.2°F | 82.7°F |
| Sep 5 | 78.2°F | 81.7°F | 82.5°F |
| Sep 6 | 79.4°F | 80.4°F | 82.3°F |
| Sep 7 | 79.9°F | 79.7°F | 82.2°F |
| Sep 8 | 80.8°F | 79.7°F | 82.3°F |
| Sep 9 | 80.1°F | 79.1°F | 82.0°F |
| Sep 10 | 79.6°F | 78.0°F | 81.9°F |
| Sep 11 | 79.5°F | 77.9°F | 81.8°F |
| Sep 12 | 78.2°F | 77.3°F | 81.4°F |
| Sep 13 | 77.0°F | 76.9°F | 81.2°F |
| Sep 14 | 77.3°F | 77.3°F | 81.2°F |
| Sep 15 | 77.9°F | 76.4°F | 81.2°F |
| Sep 16 | 77.1°F | 76.7°F | 81.0°F |
| Sep 17 | 75.4°F | 76.2°F | 80.6°F |
| Sep 18 | 76.2°F | 76.0°F | 81.1°F |
| Sep 19 | 76.3°F | 76.2°F | 81.2°F |
| Sep 20 | 75.7°F | 77.2°F | 80.6°F |
| Sep 21 | 75.5°F | 77.3°F | 80.5°F |
| Sep 22 | 75.3°F | 77.6°F | 80.3°F |
| Sep 23 | 75.1°F | 77.8°F | 80.0°F |
| Sep 24 | 74.8°F | 78.3°F | 79.8°F |
| Sep 25 | 74.6°F | 79.1°F | 79.6°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.