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.
Today
88°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. South wind 3 to 7 mph. Chance of precipitation is 40%.
7-day forecast for Seabrook Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph S | 36% |
| Tonight | 74°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 32% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 44% |
| Sunday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph SE | 17% |
| Monday | 86°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph NE | 20% |
| Monday Night | 75°F | Chance Showers And Thunderstorms | 2 to 7 mph E | 39% |
| Tuesday | 84°F | Chance Showers And Thunderstorms | 3 to 9 mph NE | 64% |
| Tuesday Night | 73°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 10 mph NE | 64% |
| Wednesday | 82°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 47% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 15 mph NE | 47% |
| Thursday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 16 mph NE | 22% |
| Thursday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 12 to 15 mph NE | 22% |
| Friday | 80°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 14 mph NE | 23% |
| Friday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph NE | 23% |
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
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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.