Weather forecast for 10 days
Sullivan's Island, SC

Weather forecast for the weekend

Saturday, Apr 19.

Sunny
6:43 am

7:53 pm
EDT
Sunny
77°F / 64°F
  • Wind: 14mph S
  • Humidity: 70%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 9
Tomorrow, on Saturday, April 19, sunshine is forecasted under mostly clear skies.
The maximum predicted temperature is a warm 77°F, while the minimum temperature will be a comfortable 64.4°F.
The daily maximum temperature is forecasted to be moderately higher than April's climate average of 71.8°F.
Sunrise will be at 6:43 am and sunset at 7:53 pm; tomorrow's daylight will last for 13h and 11min.

Sunday, Apr 20.

Partly Cloudy
6:41 am

7:54 pm
EDT
Partly Cloudy
77°F / 64°F
  • Wind: 12mph S
  • Humidity: 67%
  • Precip. probability: 12%
  • Precipitation: 0"
  • UV index: 8
On Sunday, in Sullivan's Island, intermittent cloud cover is expected, allowing for some sunshine.
Temperatures are predicted to range from a maximum of a moderately hot 77°F to a minimum of a breezy 64.4°F.
The anticipated peak temperature today will be a couple of degrees higher than the average April maximum of 71.8°F.
Sunrise will be at 6:41 am and sunset at 7:54 pm; the daylight will last for 13h and 13min.

Frequently asked questions

What is the weather forecast for Sullivan's Island for Sunday?
On Sunday, in Sullivan's Island, moments of sunshine will break through the patchy clouds.
What will be the highest temperature in Sullivan's Island on Sunday?
On Sunday, the highest temperature in Sullivan's Island will be 77°F, while the lowest temperature will be 64.4°F.
What is the weather forecast for Sullivan's Island for the next ten days?
In Sullivan's Island, a combination of predominantly dull and occasionally clear and thunderstorm-prone weather is predicted for the next ten days.
Will it rain in the next ten days?
Rain is predicted only for next Sunday. With a probability of 32%, light precipitation of 0.16" is expected.
How warm will it be in the next ten days?
The maximum temperature will range between 77°F and 78.8°F, while the minimum temperature will be between 64.4°F and 68°F.
What will be the warmest and the coldest days?
The warmest days will be Tuesday, Wednesday, next Friday through next Sunday, with a maximum of 78.8°F. The coldest days will be Saturday through Monday and Thursday, with a maximum of 77°F.

Long-term weather forecast

FriApr 18.
  • min.
  • 64°F
Mostly Clear
Mostly Clear
  • Wind: 11mph S
  • Humidity: 80%
  • UV index: 0
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:44 am 7:52 pm EDT
SatApr 19.
  • 77°F
  • 64°F
Sunny
Sunny
  • Wind: 14mph S
  • Humidity: 70%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:43 am 7:53 pm EDT
SunApr 20.
  • 77°F
  • 64°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph S
  • Humidity: 67%
  • UV index: 8
  • Precip. probability: 12%
  • Precipitation: 0"
  • 6:41 am 7:54 pm EDT
MonApr 21.
  • 77°F
  • 66°F
Cloudy
Cloudy
  • Wind: 12mph S
  • Humidity: 72%
  • UV index: 8
  • Precip. probability: 9%
  • Precipitation: 0"
  • 6:40 am 7:55 pm EDT
TueApr 22.
  • 79°F
  • 66°F
Cloudy
Cloudy
  • Wind: 13mph SSW
  • Humidity: 75%
  • UV index: 6
  • Precip. probability: 7%
  • Precipitation: 0"
  • 6:39 am 7:55 pm EDT
WedApr 23.
  • 79°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph S
  • Humidity: 77%
  • UV index: 7
  • Precip. probability: 22%
  • Precipitation: 0"
  • 6:38 am 7:56 pm EDT
ThuApr 24.
  • 77°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph SE
  • Humidity: 78%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:37 am 7:57 pm EDT
FriApr 25.
  • 79°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SE
  • Humidity: 74%
  • UV index: 9
  • Precip. probability: 20%
  • Precipitation: 0"
  • 6:36 am 7:58 pm EDT
SatApr 26.
  • 79°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph S
  • Humidity: 74%
  • UV index: 9
  • Precip. probability: 21%
  • Precipitation: 0"
  • 6:35 am 7:58 pm EDT
SunApr 27.
  • 79°F
  • 66°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 13mph SSE
  • Humidity: 76%
  • UV index: 9
  • Precip. probability: 32%
  • Precipitation: 0.16"
  • 6:34 am 7:59 pm EDT
Primarily overcast and occasionally sun-filled and turbulent weather is predicted.
With a probability of 32%, rainfall is forecasted only for next Sunday. Forecasted precipitation will be light at 0.16".
Fluctuations in temperature will be barely perceptible in the forecast period ahead. Maximum temperatures will fall between 77°F and 78.8°F, while the lowest nighttime temperatures will be also relatively consistent, as the minimum temperature is expected to range between 64.4°F and 68°F.
Tuesday, Wednesday, next Friday through next Sunday, with the highest temperature of 78.8°F, will be the warmest days; Saturday through Monday and Thursday, with the highest temperature of 77°F, will be the coldest days.
Updated: Apr 18, 2025 @ 21:24:33 UTC
Published by: Weather U.S. | About Us
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