Weather forecast for todaySullivan's Island, SC

Weather forecast for today

Current condition 5:42 am EDT

  • 50°F
  • Feels like:
    45°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 15mphN 10°
  • Humidity: 78%
  • Dewpoint: 43°F
  • Pressure: 30.31"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, in Sullivan's Island, the sky is completely clear with no clouds in sight.
The temperature is a fresh 50°F, and the real-feel temperature is calculated to be a chilly 44.6°F. The current temperature is at the minimum expected for today.

Sunday Oct 18, 2026

  • 68°F
  • 50°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 19mphNNE 22°
  • Humidity: 62%
  • UV index: 6
  • Sunrise: 7:25 am EDT
  • Sunset: 6:43 pm EDT
  • ▼
Today, on Sunday, October 18, sunshine is forecasted under mostly clear skies.
The temperature is predicted to oscillate between a maximum of a delightful 68°F and a minimum of a fresh 50°F.
On today, conditions will be colder with a temperature more like November's typical high of 65.7°F.
Sunrise will be at 7:25 am and sunset at 6:43 pm; the daylight will last for 11h and 17min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 66°C.
Coldest hour: 8 am 48°C.

Chance of precipitation

Highest chance: 1%.

Hourly weather forecast

  • 6 am
  • 50°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 19mphNNE 18°
  • Humidity: 77%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:25 am
  • 8 am
  • 48°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 19mphNNE 16°
  • Humidity: 76%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 55°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphNNE 20°
  • Humidity: 57%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphNNE 19°
  • Humidity: 58%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphNNE 26°
  • Humidity: 55%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphNNE 29°
  • Humidity: 54%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphNNE 27°
  • Humidity: 58%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:43 pm
  • 8 pm
  • 61°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphNNE 15°
  • Humidity: 64%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 59°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 16mphNNE 13°
  • Humidity: 67%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily bright and sunny weather is anticipated.
The temperature will vary between the highest temperature of 66.2°F and the lowest temperature of 48.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature will be more resembling November's average high of 65.7°F than October's 75.2°F. The lowest temperature today is also more consistent with November's average minimum of 54.9°F than the average low in October of 64.9°F.
Updated: Oct 18, 2026 @ 09:42:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 5:42 am EDT, the temperature is 50°F. Feels-like temperature is 44.6°F.

On Sunday, in Sullivan's Island, expect consistent sunshine and open skies.

Today, the maximum temperature will be 68°F, while the minimum temperature will be 50°F.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 75.2°F in October. Today, the lowest temperature will be noticeably lower than the average low of 64.9°F.

On Sunday, in Sullivan's Island, sunrise will be at 7:25 am and sunset at 6:43 pm (EDT).

In Sullivan's Island, South Carolina, today, there will be 11h and 17min of daylight.