Weather forecast for 10 days
Sullivan's Island, SC

Weather forecast for the weekend

Sunday, May 11.

Thunderstorms
6:21 am

8:09 pm
EDT
Thunderstorms
75°F / 70°F
  • Wind: 10mph ESE
  • Humidity: 90%
  • Precip. probability: 73%
  • Precipitation: 0.98"
  • UV index: 4
Tomorrow, on Sunday, May 11, thunderstorms are expected.
Increased precipitation is forecasted. The day will observe a moderate high of a warm 75.2°F, subtly differing from a low of an agreeable 69.8°F.
The forecasted maximum temperature will closely reflect May's average high of 78.1°F.
Sunrise will be at 6:21 am and sunset at 8:09 pm; tomorrow's daylight will last for 13h and 48min.

Frequently asked questions

What is the weather forecast for Sullivan's Island for the next ten days?
In Sullivan's Island, a combination of overcast, thunderstorm-prone and sun-filled weather is expected for the next ten days.
Will it rain in the next ten days?
Rain is forecasted for Saturday through Wednesday in Sullivan's Island. With intense precipitation of 1.57", Saturday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 75.2°F and 87.8°F, while the minimum temperature will range between 66.2°F and 73.4°F.
Combining with the humidity, the maximum feel-like temperature will vary between 75.2°F and 100.4°F.
What will be the hottest and the coldest days?
With the maximum temperature of 87.8°F, Friday will be the hottest day. Tomorrow will be the coldest day, with a maximum temperature of 75.2°F.

Long-term weather forecast

SatMay 10.
  • min.
  • 68°F
Thunderstorms
Thunderstorms
  • Wind: 16mph E
  • Humidity: 95%
  • UV index: 0
  • Precip. probability: 99%
  • Precipitation: 1.57"
  • 6:22 am 8:09 pm EDT
SunMay 11.
  • 75°F
  • 70°F
Thunderstorms
Thunderstorms
  • Wind: 10mph ESE
  • Humidity: 90%
  • UV index: 4
  • Precip. probability: 73%
  • Precipitation: 0.98"
  • 6:21 am 8:09 pm EDT
MonMay 12.
  • 77°F
  • 68°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 17mph SSE
  • Humidity: 87%
  • UV index: 5
  • Precip. probability: 60%
  • Precipitation: 1.02"
  • 6:20 am 8:10 pm EDT
TueMay 13.
  • 79°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Wind: 13mph SSW
  • Humidity: 76%
  • UV index: 10
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 6:20 am 8:11 pm EDT
WedMay 14.
  • 81°F
  • 70°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 11mph SW
  • Humidity: 75%
  • UV index: 10
  • Precip. probability: 53%
  • Precipitation: 0.2"
  • 6:19 am 8:12 pm EDT
ThuMay 15.
  • 84°F
  • 72°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph SW
  • Humidity: 74%
  • UV index: 10
  • Precip. probability: 19%
  • Precipitation: 0"
  • 6:18 am 8:12 pm EDT
FriMay 16.
  • 88°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:18 am 8:13 pm EDT
SatMay 17.
  • 86°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SW
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 19%
  • Precipitation: 0"
  • 6:17 am 8:14 pm EDT
SunMay 18.
  • 86°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WSW
  • Humidity: 71%
  • UV index: 9
  • Precip. probability: 21%
  • Precipitation: 0"
  • 6:16 am 8:14 pm EDT
MonMay 19.
  • 84°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Humidity: 74%
  • UV index: 10
  • Precip. probability: 15%
  • Precipitation: 0"
  • 6:16 am 8:15 pm EDT
Over the next ten days, a mix of gloomy, unstable and sun-filled weather is predicted.
Rain is anticipated on Saturday through Wednesday.
The temperature will vary considerably in the upcoming period. Highs will range from 75.2°F to 87.8°F, while nighttime temperatures are expected to vary from 66.2°F to 73.4°F.
The hottest day will be Friday, with a maximum of 87.8°F; the lowest daytime temperature of the period will be reached on Sunday, peaking at 75.2°F.
Including the humidity's impact, the maximum feel-like temperature may increase greatly and range between 75.2°F and a very hot 100.4°F.
Updated: May 10, 2025 @ 22:41:06 UTC
Published by: Weather U.S. | About Us
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