Seabrook Island, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seabrook Island, a town in Charleston County, South Carolina.
This Afternoon
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Seabrook Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Chance Showers And Thunderstorms | 7 mph SE | 37% |
| Tonight | 74°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 32% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 42% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 7 mph E | 15% |
| Monday | 86°F | Mostly Sunny | 2 to 9 mph E | 13% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph E | 29% |
| Tuesday | 85°F | Showers And Thunderstorms Likely | 3 to 10 mph NE | 67% |
| Tuesday Night | 73°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 to 10 mph NE | 67% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 49% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 16 mph NE | 49% |
| Thursday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 17 mph N | 23% |
| Thursday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 15 mph NE | 23% |
| Friday | 80°F | Sunny | 14 mph NE | 10% |
| Friday Night | 68°F | Partly Cloudy | 7 to 10 mph NE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Seabrook Island (32.575, -80.182). Updated through the day.
Growing snapshot for Seabrook Island
Last spring frost
Mar 1
First fall frost
Dec 6
Growing season
284 days
Hardiness zone
9a
More local growing data for Seabrook Island: nearby ZIP 29487 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
Adams Run
Awendaw
Charleston
Edisto Beach
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Isle of Palms
James Island
Kiawah Island
Ladson
Lincolnville
McClellanville
Meggett
Mount Pleasant
North Charleston
Ravenel
Rockville
Sangaree
Sullivan's Island
All South Carolina locations ›
Climate data from the nearest NOAA station, Edisto Is Middleton Plantation, Sc (9 mi from Seabrook Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.