South Dewees Island, SC Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
|
Mon Jul 13 |
 |
PM Thunderstorms Close Hourly |
88º / 74º | 57% | SSW 7 mph | 87% |
| 7am |  |
Partly Cloudy | 75º | 5% | N 1 mph | 96% |
| 8am | |
Partly Cloudy | 78º | 4% | NW 2 mph | 93% |
| 9am | |
Partly Cloudy | 80º | 4% | WNW 3 mph | 89% |
| 10am |  |
Mostly Cloudy | 82º | 15% | WNW 3 mph | 83% |
| 11am |  |
Cloudy | 84º | 15% | W 3 mph | 79% |
| 12pm | |
Cloudy | 85º | 16% | S 4 mph | 75% |
| 1pm |  |
Showers | 86º | 37% | SSE 6 mph | 74% |
| 2pm | |
Scattered Thunderstorms | 87º | 55% | SSE 6 mph | 74% |
| 3pm | |
Showers | 84º | 46% | SSE 7 mph | 80% |
| 4pm | |
Scattered Thunderstorms | 82º | 57% | S 6 mph | 85% |
| 5pm | |
Scattered Thunderstorms | 82º | 51% | S 6 mph | 86% |
| 6pm | |
Showers | 81º | 53% | SSE 4 mph | 88% |
| 7pm | |
Showers | 81º | 47% | S 2 mph | 90% |
| 8pm | |
Scattered Thunderstorms | 79º | 52% | E 1 mph | 94% |
| 9pm | |
Cloudy | 77º | 24% | N 1 mph | 99% |
| 10pm |  |
Scattered Thunderstorms | 77º | 37% | NNE 1 mph | 99% |
| 11pm | |
Scattered Thunderstorms | 76º | 48% | NE 1 mph | 100% |
|
Tue Jul 14 |
|
Scattered Thunderstorms View Hourly |
85º / 74º | 45% | ENE 8 mph | 88% |
| 12am | |
Scattered Thunderstorms | 76º | 51% | NNE 1 mph | 100% |
| 1am | |
Scattered Thunderstorms | 76º | 49% | NE 0 mph | 100% |
| 2am | |
Showers | 75º | 53% | NE 1 mph | 100% |
| 3am | |
Showers | 75º | 50% | NE 0 mph | 100% |
| 4am | |
Showers | 75º | 43% | NE 1 mph | 100% |
| 5am | |
Cloudy | 75º | 21% | NE 1 mph | 100% |
| 6am | |
Cloudy | 75º | 17% | NE 1 mph | 100% |
| 7am | |
Cloudy | 75º | 24% | NE 1 mph | 100% |
| 8am | |
Few Showers | 76º | 30% | NE 3 mph | 99% |
| 9am | |
Showers | 78º | 35% | NNE 3 mph | 93% |
| 10am |  |
Isolated Thunderstorms | 80º | 33% | NE 4 mph | 92% |
| 11am | |
Scattered Thunderstorms | 81º | 45% | NE 4 mph | 89% |
| 12pm | |
Scattered Thunderstorms | 82º | 39% | ENE 6 mph | 87% |
| 1pm | |
Isolated Thunderstorms | 83º | 33% | E 6 mph | 82% |
| 2pm | |
Few Showers | 84º | 32% | E 7 mph | 81% |
| 3pm | |
Mostly Cloudy | 83º | 23% | E 8 mph | 81% |
| 4pm | |
Mostly Cloudy | 82º | 24% | ENE 6 mph | 81% |
| 5pm | |
Cloudy | 82º | 24% | E 5 mph | 82% |
| 6pm | |
Cloudy | 81º | 21% | E 6 mph | 87% |
| 7pm | |
Mostly Cloudy | 81º | 23% | E 4 mph | 88% |
| 8pm | |
Cloudy | 80º | 24% | ENE 3 mph | 90% |
| 9pm | |
Cloudy | 79º | 20% | ENE 2 mph | 93% |
| 10pm | |
Cloudy | 78º | 23% | ENE 1 mph | 95% |
| 11pm |  |
Mostly Cloudy | 78º | 18% | NE 1 mph | 96% |
|
Wed Jul 15 |
|
Showers View Hourly |
88º / 75º | 43% | ENE 6 mph | 81% |
| 12am | |
Cloudy | 77º | 19% | NE 1 mph | 98% |
| 1am | |
Cloudy | 77º | 17% | NE 0 mph | 98% |
| 2am | |
Mostly Cloudy | 77º | 11% | NE 0 mph | 98% |
| 3am | |
Cloudy | 76º | 14% | NNE 1 mph | 98% |
| 4am |  |
Partly Cloudy | 76º | 14% | NNE 1 mph | 99% |
| 5am | |
Partly Cloudy | 75º | 11% | NNE 1 mph | 100% |
| 6am | |
Partly Cloudy | 75º | 11% | NNE 1 mph | 100% |
|
Thu Jul 16 |
|
Partly Cloudy | 92º / 77º | 20% | SW 8 mph | 75% |
|
Fri Jul 17 |
 |
Mostly Sunny | 93º / 77º | 15% | S 10 mph | 75% |
|
Sat Jul 18 |
|
Partly Cloudy | 91º / 78º | 17% | S 12 mph | 75% |
|
Sun Jul 19 |
|
PM Thunderstorms | 92º / 78º | 40% | SSW 13 mph | 73% |
|
Mon Jul 20 |
|
Isolated Thunderstorms | 90º / 77º | 34% | SSW 12 mph | 76% |
-
Buoy Data
For South Dewees Island, SC -
Wind Forecast
In South Dewees Island, SC -
Radar
In South Dewees Island, SC -
Marine Forecast
In South Dewees Island, SC
Weather Radar for South Dewees Island, SC See Radar
* Playback displays weather for the past 6 hours.
NOAA Weather Marine Forecast for South Dewees Island, SC
Today
High : 83ºF
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.
Tonight
Low : 77ºF
Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 2am. Seas 1 to 2 ft.
Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 2am. Seas 1 to 2 ft.
Tuesday
High : 82ºF
ENE wind 5 to 8 kt becoming N in the morning. Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 to 2 ft.
ENE wind 5 to 8 kt becoming N in the morning. Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 to 2 ft.
Tuesday Night
Low : 79ºF
SE wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Seas around 2 ft.
SE wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Seas around 2 ft.
Wednesday
High : 84ºF
Variable winds less than 5 kt becoming ESE 5 to 7 kt in the morning. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.
Variable winds less than 5 kt becoming ESE 5 to 7 kt in the morning. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.
Wednesday Night
Low : 79ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Seas 1 to 2 ft.
Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Seas 1 to 2 ft.
Thursday
High : 86ºF
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Thursday Night
Low : 81ºF
SSW wind 6 to 10 kt becoming WSW after midnight. Mostly clear. Seas around 2 ft.
SSW wind 6 to 10 kt becoming WSW after midnight. Mostly clear. Seas around 2 ft.
Friday
High : 87ºF
Variable winds less than 5 kt becoming S 6 to 11 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Variable winds less than 5 kt becoming S 6 to 11 kt in the afternoon. Sunny. Seas 1 to 2 ft.
NOAA Buoy Data Near South Dewees Island, SC See Map
Loading Map...
Loading Buoy Data...
Wind Speed Forecast for South Dewees Island, SC
| Monday | Tuesday | Wednesday | ||||||||||
| Wind Speed (MPH) | 1 | 3 | 7 | 2 | 1 | 0 | 1 | 4 | 8 | 4 | 1 | 1 |
| 11am | 3pm | 7pm | 11pm | 3am | 7am | 11am | 3pm | 7pm | 11pm | 3am | 7am | |
| MPH | 1 | 3 | 7 | 2 | 1 | 0 | 1 | 4 | 8 | 4 | 1 | 1 |
| DIR | N | W | SSE | S | NE | NE | NE | NE | E | E | NE | NNE |
Current Weather Conditions In South Dewees Island, SC
As Of: 55 minutes ago
- 75ºF
- 75ºF
- 1mph
- 0º (N)
- 1mph
- Partly Cloudy
- 9mi
- 30.05"
- 96%
- 0ºF
The weather right now in South Dewees Island, SC is Partly Cloudy. The current temperature is 75°F, and the expected high and low for today, Monday, July 13, 2026, are 88° high temperature and 74°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the North. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 75° Fahrenheit. Expected precipitation is 5 percent, with current humidity at 96 percent, and air pressure at 30.05 in. Visibility is 9 nautical miles. There are no current weather alert(s).
