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
87°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 87. South wind 6 to 13 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Seabrook Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 13 mph S | 16% |
| Tonight | 78°F | Chance Showers And Thunderstorms | 7 to 13 mph S | 56% |
| Wednesday | 87°F | Showers And Thunderstorms Likely then Partly Sunny | 6 to 13 mph S | 69% |
| Wednesday Night | 79°F | Chance Showers And Thunderstorms | 7 to 13 mph S | 52% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 52% |
| Thursday Night | 79°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 9 mph SE | 24% |
| Friday | 88°F | Chance Showers And Thunderstorms | 5 to 12 mph SE | 41% |
| Friday Night | 79°F | Chance Showers And Thunderstorms | 6 to 10 mph SE | 35% |
| Saturday | 86°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 12 mph SE | 59% |
| Saturday Night | 79°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 35% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 3 to 10 mph S | 47% |
| Sunday Night | 80°F | Chance Showers And Thunderstorms | 6 to 10 mph S | 31% |
| Monday | 88°F | Chance Showers And Thunderstorms | 5 to 13 mph SW | 32% |
| Monday Night | 80°F | Chance Showers And Thunderstorms | 7 to 13 mph SW | 30% |
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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Hollywood
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 Aug 4, 2026.