South Dewees Island, SC Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Aug 22 		Thunderstorms
Close Hourly 		91º / 74º 66% SSW 8 mph 76%
3pm Mostly Cloudy 85º 24% SSW 10 mph 74%
4pm Scattered Thunderstorms 84º 53% SSW 10 mph 77%
5pm Scattered Thunderstorms 82º 55% SW 9 mph 82%
6pm Scattered Thunderstorms 82º 55% SW 9 mph 85%
7pm Scattered Thunderstorms 80º 50% SW 6 mph 91%
8pm Isolated Thunderstorms 81º 32% WSW 5 mph 90%
9pm Cloudy 80º 16% WSW 5 mph 91%
10pm Mostly Cloudy 78º 24% SW 3 mph 96%
11pm Mostly Cloudy 78º 15% SW 3 mph 95%
Sun
Aug 23 		Mostly Sunny
View Hourly 		91º / 76º 16% SW 10 mph 78%
12am Mostly Cloudy 78º 9% SW 4 mph 95%
1am Partly Cloudy 78º 8% SW 3 mph 94%
2am Mostly Cloudy 77º 8% WSW 4 mph 92%
3am Partly Cloudy 77º 21% SW 4 mph 91%
4am Clear 76º 23% WSW 3 mph 94%
5am Clear 76º 12% W 3 mph 96%
6am Clear 76º 10% W 3 mph 97%
7am Mostly Sunny 75º 10% W 3 mph 98%
8am Sunny 77º 8% WSW 3 mph 94%
9am Sunny 81º 7% WSW 5 mph 87%
10am Sunny 83º 5% WSW 6 mph 82%
11am Sunny 86º 3% WSW 5 mph 76%
12pm Sunny 88º 2% WSW 5 mph 69%
1pm Partly Cloudy 89º 7% SW 6 mph 66%
2pm Partly Cloudy 89º 17% SSW 7 mph 66%
3pm Partly Cloudy 89º 13% SSW 9 mph 69%
4pm Partly Cloudy 88º 13% S 10 mph 72%
5pm Partly Cloudy 87º 16% SSW 9 mph 74%
6pm Mostly Sunny 86º 13% SSW 8 mph 78%
7pm Mostly Sunny 85º 24% S 7 mph 81%
8pm Mostly Clear 83º 24% SSW 5 mph 88%
9pm Mostly Clear 81º 7% SSW 4 mph 90%
10pm Mostly Clear 80º 7% SW 3 mph 91%
11pm Mostly Clear 80º 8% SSW 3 mph 94%
Mon
Aug 24 		Partly Cloudy
View Hourly 		91º / 75º 21% SSW 9 mph 76%
12am Clear 80º 8% SSW 3 mph 95%
1am Clear 79º 9% SSW 2 mph 96%
2am Mostly Clear 79º 15% SW 2 mph 96%
3am Partly Cloudy 79º 15% SSW 2 mph 97%
4am Mostly Clear 78º 9% SW 2 mph 97%
5am Mostly Clear 78º 9% SW 1 mph 97%
6am Mostly Clear 78º 9% WSW 1 mph 98%
7am Partly Cloudy 77º 21% WSW 1 mph 98%
8am Partly Cloudy 79º 21% W 2 mph 95%
9am Mostly Sunny 82º 8% WSW 3 mph 87%
10am Sunny 84º 5% SW 3 mph 79%
11am Sunny 86º 7% SW 4 mph 73%
12pm Partly Cloudy 88º 6% SSW 5 mph 67%
1pm Partly Cloudy 89º 7% SSW 7 mph 65%
2pm Partly Cloudy 90º 15% SSW 8 mph 65%
Tue
Aug 25 		PM Thunderstorms 88º / 74º 57% SSW 8 mph 81%
Wed
Aug 26 		Scattered Thunderstorms 87º / 75º 49% SSE 9 mph 81%
Thu
Aug 27 		Scattered Thunderstorms 87º / 75º 59% SSW 11 mph 81%
Fri
Aug 28 		Scattered Thunderstorms 87º / 75º 59% SSW 9 mph 83%
Sat
Aug 29 		Thunderstorms 86º / 74º 63% SSW 7 mph 84%

Weather Radar for South Dewees Island, SC See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for South Dewees Island, SC

This Afternoon
High : 85ºF
SSW wind 9 to 12 kt. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.
Tonight
Low : 79ºF
SW wind around 10 kt. A chance of showers and thunderstorms, mainly before midnight. Seas around 2 ft.
Sunday
High : 86ºF
W wind 7 to 11 kt becoming SSW in the afternoon. Sunny. Seas around 2 ft.
Sunday Night
Low : 79ºF
SW wind 7 to 9 kt. A slight chance of showers and thunderstorms before 2am. Seas around 2 ft.
Monday
High : 86ºF
W wind 5 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.
Monday Night
Low : 79ºF
SW wind 6 to 8 kt. A chance of showers and thunderstorms, mainly before 8pm. Seas around 2 ft.
Tuesday
High : 84ºF
Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.
Tuesday Night
Low : 78ºF
SW wind around 7 kt. A chance of showers and thunderstorms. Seas around 2 ft.
Wednesday
High : 85ºF
SW wind 5 to 10 kt becoming S in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 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

    SaturdaySundayMonday
    Wind Speed (MPH) 1063435973214
    7pm11pm3am7am11am3pm7pm11pm3am7am11am3pm
    MPH 1063435973214
    DIR SSWSWSWSWWWSWSSWSSSWSSWWSWSW

    Current Weather Conditions In South Dewees Island, SC

    As Of: 5 minutes ago

    • 85ºF
    • 94ºF
    • 10mph
    • 0º (SSW)
    • 10mph
    • Mostly Cloudy
    • 10mi
    • 29.93"
    • 74%
    • 0ºF

    The weather right now in South Dewees Island, SC is Mostly Cloudy. The current temperature is 85°F, and the expected high and low for today, Saturday, August 22, 2026, are 91° high temperature and 74°F low temperature. The wind is currently blowing at 10 miles per hour, and coming from the South Southwest. The wind is gusting to 10 mph. With the wind and the atmosphere the temperature feels like 94° Fahrenheit. Expected precipitation is 24 percent, with current humidity at 74 percent, and air pressure at 29.93 in. Visibility is 10 nautical miles. There are no current weather alert(s).