Weather forecast for 10 daysSullivan's Island, SC
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 50°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphNNE 24°
- Humidity: 59%
- UV index: 6
- Sunrise: 7:25 am EDT
- Sunset: 6:43 pm EDT
- details ▼
On Sunday, in Sullivan's Island, clear skies and sunshine are anticipated.
The highest forecasted temperature is an agreeable 68°F, while the lowest temperature will be a fresh 50°F.
The projected high resembles November more than October, matching 65.7°F rather than 75.2°F.
Sunrise was at 7:25 am and sunset will be at 6:43 pm; the daylight will last for 11h and 17min.
The highest forecasted temperature is an agreeable 68°F, while the lowest temperature will be a fresh 50°F.
The projected high resembles November more than October, matching 65.7°F rather than 75.2°F.
Sunrise was at 7:25 am and sunset will be at 6:43 pm; the daylight will last for 11h and 17min.
10-day overview
Daily temperatures
Maximum temperature: 75°C.
Coldest day: today 68°C.
Coldest day: today 68°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 14%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 68°F
- 50°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphNNE 24°
- Humidity: 59%
- UV index: 6
- Sunrise: 7:25 am EDT
- Sunset: 6:43 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 50°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 17mphN 0°
- Humidity: 61%
- UV index: 6
- Sunrise: 7:26 am EDT
- Sunset: 6:41 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 54°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphN 355°
- Humidity: 48%
- UV index: 6
- Sunrise: 7:27 am EDT
- Sunset: 6:40 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 52°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphN 359°
- Humidity: 53%
- UV index: 6
- Sunrise: 7:28 am EDT
- Sunset: 6:39 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 55°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphN 355°
- Humidity: 58%
- UV index: 6
- Sunrise: 7:28 am EDT
- Sunset: 6:38 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 54°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphNNE 29°
- Humidity: 58%
- UV index: 6
- Sunrise: 7:29 am EDT
- Sunset: 6:37 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 54°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphNNE 27°
- Humidity: 69%
- UV index: 6
- Sunrise: 7:30 am EDT
- Sunset: 6:36 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 55°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 15mphNNE 21°
- Humidity: 70%
- UV index: 6
- Sunrise: 7:31 am EDT
- Sunset: 6:35 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 57°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 12mphNNE 12°
- Humidity: 63%
- UV index: 6
- Sunrise: 7:32 am EDT
- Sunset: 6:34 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 61°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 11mphNNE 17°
- Humidity: 64%
- UV index: 5
- Sunrise: 7:33 am EDT
- Sunset: 6:33 pm EDT
- details ▼
Over the next ten days, primarily clear and occasionally cloud-filled weather is anticipated.
Rainfall is not forecasted in Sullivan's Island in the upcoming period.
In the upcoming period, the maximum temperature will range between 68°F and 75.2°F, while the minimum temperature is forecast to range between 50°F and 60.8°F.
With a maximum temperature of 75.2°F, Tuesday through Thursday and next Tuesday will be the warmest days; today is the coldest day, with a maximum temperature of 68°F.
Rainfall is not forecasted in Sullivan's Island in the upcoming period.
In the upcoming period, the maximum temperature will range between 68°F and 75.2°F, while the minimum temperature is forecast to range between 50°F and 60.8°F.
With a maximum temperature of 75.2°F, Tuesday through Thursday and next Tuesday will be the warmest days; today is the coldest day, with a maximum temperature of 68°F.
Updated: Oct 18, 2026 @ 14:19:46 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunshine is expected with little to no cloud cover.
Today, the highest temperature will be 68°F, while the lowest temperature will be 50°F.
The maximum temperature today will be moderately lower than the average highest temperature in October. The lowest temperature today will be significantly lower than the average low of 64.9°F.
The maximum temperature today will be moderately lower than the average highest temperature in October. The lowest temperature today will be significantly lower than the average low of 64.9°F.
On Sunday, in Sullivan's Island, sunrise was at 7:25 am and sunset will be at 6:43 pm (EDT).
In Sullivan's Island, today, there will be 11h and 17min of daylight.
