32.7533’ N, 79.8767’ W

Fort Sumter, SC

80°
H -°
L 77°
W
1mph
High tide
6:30 am

Fort Sumter, SC Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Aug 24
Clear -º / 77º 4% NNW 1 mph 96%
Tue
Aug 25
PM Thunderstorms
View Hourly
88º / 74º 54% ENE 9 mph 76%
3am Clear 80º 4% W 1 mph 94%
4am Clear 79º 4% NW 1 mph 94%
5am Clear 79º 3% NNW 1 mph 94%
6am Partly Cloudy 78º 3% NNE 2 mph 93%
7am Partly Cloudy 78º 3% NNE 1 mph 91%
8am Partly Cloudy 80º 3% NNE 1 mph 87%
9am Partly Cloudy 83º 3% NE 3 mph 79%
10am Partly Cloudy 85º 7% NE 4 mph 72%
11am Mostly Cloudy 87º 5% ENE 5 mph 69%
12pm Mostly Cloudy 87º 6% E 5 mph 69%
1pm Mostly Cloudy 88º 16% E 7 mph 69%
2pm Scattered Thunderstorms 87º 35% E 8 mph 72%
3pm Scattered Thunderstorms 86º 55% ESE 9 mph 75%
4pm Cloudy 85º 15% ESE 9 mph 76%
5pm Cloudy 85º 15% ESE 8 mph 75%
6pm Cloudy 85º 16% ESE 8 mph 77%
7pm Mostly Cloudy 84º 15% E 6 mph 81%
8pm Mostly Cloudy 82º 11% E 5 mph 85%
9pm Mostly Cloudy 81º 13% E 2 mph 88%
10pm Mostly Cloudy 80º 24% E 2 mph 90%
11pm Mostly Cloudy 80º 24% ESE 2 mph 90%
Wed
Aug 26
Scattered Thunderstorms
View Hourly
85º / 75º 38% ESE 8 mph 82%
12am Scattered Thunderstorms 79º 41% ESE 2 mph 91%
1am Thunderstorms 78º 61% ESE 1 mph 93%
2am Scattered Thunderstorms 77º 39% E 1 mph 94%
3am Scattered Thunderstorms 77º 35% ESE 1 mph 95%
4am Partly Cloudy 76º 24% ESE 0 mph 92%
5am Partly Cloudy 76º 22% ENE 0 mph 95%
6am Partly Cloudy 76º 23% ENE 0 mph 94%
7am Partly Cloudy 75º 24% ENE 0 mph 97%
8am Partly Cloudy 77º 24% ENE 1 mph 91%
9am Scattered Thunderstorms 80º 39% ENE 2 mph 85%
10am Scattered Thunderstorms 81º 39% E 4 mph 82%
11am Isolated Thunderstorms 82º 34% E 4 mph 79%
12pm Isolated Thunderstorms 83º 33% ESE 5 mph 80%
1pm Scattered Thunderstorms 83º 37% SE 6 mph 79%
2pm Isolated Thunderstorms 84º 31% SE 7 mph 79%
3pm Mostly Cloudy 84º 24% SSE 8 mph 78%
4pm Mostly Cloudy 84º 15% SSE 8 mph 78%
5pm Mostly Cloudy 84º 15% SSE 7 mph 77%
6pm Mostly Cloudy 83º 24% SSE 7 mph 79%
7pm Isolated Thunderstorms 82º 34% SE 6 mph 81%
8pm Partly Cloudy 80º 24% SE 4 mph 86%
9pm Partly Cloudy 79º 24% SSE 3 mph 89%
10pm Partly Cloudy 79º 24% SSE 3 mph 89%
11pm Partly Cloudy 79º 24% S 3 mph 89%
Thu
Aug 27
Scattered Thunderstorms
View Hourly
86º / 76º 50% SSW 11 mph 83%
12am Partly Cloudy 79º 24% S 3 mph 91%
1am Isolated Thunderstorms 78º 30% S 2 mph 93%
2am Scattered Thunderstorms 78º 44% SSW 3 mph 93%
Fri
Aug 28
Scattered Thunderstorms 86º / 74º 65% SSW 11 mph 82%
Sat
Aug 29
Thunderstorms 85º / 75º 71% SE 6 mph 84%
Sun
Aug 30
AM Thunderstorms 86º / 76º 46% E 8 mph 82%
Mon
Aug 31
AM Thunderstorms 88º / 76º 40% E 7 mph 81%

Weather Radar for Fort Sumter, SC See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Fort Sumter, SC

Overnight
Low : 81ºF
SW wind 9 to 11 kt. A slight chance of showers and thunderstorms. Seas around 2 ft.
Tuesday
High : 84ºF
Variable winds less than 5 kt becoming SSE 5 to 9 kt in the afternoon. A chance of showers and thunderstorms, mainly between 2pm and 4pm. Seas around 2 ft.
Tuesday Night
Low : 78ºF
S wind 5 to 8 kt becoming SE in the evening. A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 2am. Seas around 2 ft.
Wednesday
High : 83ºF
Variable winds less than 5 kt becoming SSE 5 to 10 kt in the morning. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 to 2 ft.
Wednesday Night
Low : 79ºF
SSW wind around 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas around 2 ft.
Thursday
High : 84ºF
SSW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 2 ft.
Thursday Night
Low : 79ºF
SSW wind 9 to 11 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Seas around 2 ft.
Friday
High : 85ºF
WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. A chance of showers and thunderstorms. Seas around 2 ft.
Friday Night
Low : 78ºF
SSW wind 6 to 9 kt. Showers likely and possibly a thunderstorm. Seas around 2 ft.

NOAA Buoy Data Near Fort Sumter, SC See Map

Loading Map...
Loading Buoy Data...

    Wind Speed Forecast for Fort Sumter, SC

    TuesdayWednesdayThursday
    Wind Speed (MPH) 115962104863
    7am11am3pm7pm11pm3am7am11am3pm7pm11pm3am
    MPH 115962104863
    DIR WNNEENEESEEESEESEENEESSESES

    Current Weather Conditions In Fort Sumter, SC

    As Of: 22 minutes ago

    • 80ºF
    • 88ºF
    • 1mph
    • 0º (W)
    • 1mph
    • Clear
    • 10mi
    • 29.97"
    • 94%
    • 0ºF

    The weather right now in Fort Sumter, SC is Clear. The current temperature is 80°F, and the expected high and low for today, Tuesday, August 25, 2026, are -° high temperature and 77°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the West. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 88° Fahrenheit. Expected precipitation is 4 percent, with current humidity at 94 percent, and air pressure at 29.97 in. Visibility is 10 nautical miles. There are no current weather alert(s).