How is the weather in Sullivans Island, SC?

At 5:46 PM on Fri, Sep 19, 2025 it is mostly sunny and 83 degrees Fahrenheit, feeling like 89 degrees.

Sullivans Island, SC Weather Forecast and Current Conditions (29482)

83°F
Feels Like 89°F

Humidity 71% Dew Point 73°F Wind Calm 0 MPH Barometer 29.98 in.761.5 mm

Solar Rad 87 w/m2

Report from 2.3 miles NNW of central Sullivans Island at 5:46 PM Fri, Sep 19, 2025

Current Weather

83°F
Feels Like 89°F

Humidity 71% Dew Point 73°F Wind Calm 0 MPH Barometer 29.98 in.761.5 mm

Solar Rad 87 w/m2

Report from 2.3 miles NNW of central Sullivans Island at 5:46 PM Fri, Sep 19, 2025

Forecast at a Glance

FriSep 19

70°

SatSep 20

82°

69°

SunSep 21

10%

81°

70°

MonSep 22

20%

81°

71°

TueSep 23

20%

83°

72°

WedSep 24

20%

85°

73°

ThuSep 25

40%

83°

72°

This Date in Weather History

1967 - Hurricane Beulah deluged Brownsville, TX, with 12.19 inches of rain in 24 hours, to establish a record for that location. Hurricane Beulah made landfall on the 20th near the mouth of the Rio Grande River, where a wind gust to 135 mph was reported by a ship in the port.

Sullivans Island 7 Day Weather Forecast Details

Friday Sep 19

Night: Mostly clear, with a low around 70. East wind 3 to 7 mph.

Saturday Sep 20

Day: Sunny, with a high near 82. Northeast wind 6 to 13 mph.

Night: Mostly clear, with a low around 69. Northeast wind around 12 mph.

Sunday Sep 21

Day: Sunny, with a high near 81. Northeast wind 10 to 14 mph.

Night: Partly cloudy, with a low around 70. Northeast wind 9 to 13 mph.

Monday Sep 22

Day: A slight chance of rain showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.

Night: A slight chance of rain showers. Mostly cloudy, with a low around 71. Chance of precipitation is 20%.

Tuesday Sep 23

Day: A slight chance of rain showers before 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

Night: Mostly clear, with a low around 72.

Wednesday Sep 24

Day: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 85. Chance of precipitation is 20%.

Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%.

Thursday Sep 25

Day: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 40%.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Friday Sep 26

Day: A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.

Sun & Moon Monthly

First Light 6:42 AM

Sunrise 7:06 AM

Sunset 7:21 PM

Last Light 7:46 PM

Moonrise 4:58 AM

Moonset 6:26 PM

Moon Phase

Close Tide Stations

Sullivans Island (outer coast)
(0.3 miles away)

Ben Sawyer Bridge, ICWW
(0.8 miles away)

The Cove, Fort Moultrie
(1.2 miles away)

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Weather Near Sullivans Island

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Saint Helena Island, SC

Andrews, SC

Contiguous United States Extremes

Thu's High Temperature
102 at 4 Miles South-southwest Of Redding, CA

Fri's Low Temperature
24 at 16 Miles West Of Redfeather Lakes, CO

Weather Folklore

Fish bite best before a rain.

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