Kiawah Island, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kiawah Island, a town in Charleston County, South Carolina.
Today
87°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. North wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Kiawah Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph N | 34% |
| Tonight | 74°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 31% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 42% |
| Sunday Night | 75°F | Partly Cloudy | 1 to 6 mph SE | 13% |
| Monday | 86°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph NE | 19% |
| Monday Night | 75°F | Chance Showers And Thunderstorms | 2 to 7 mph E | 43% |
| Tuesday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 64% |
| Tuesday Night | 73°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 8 to 12 mph NE | 64% |
| Wednesday | 82°F | Chance Showers And Thunderstorms | 13 to 16 mph NE | 46% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 16 mph NE | 46% |
| Thursday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 17 mph N | 22% |
| Thursday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 13 to 16 mph NE | 22% |
| Friday | 80°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 15 mph NE | 24% |
| Friday Night | 69°F | Slight Chance Showers And Thunderstorms | 9 to 13 mph NE | 24% |
Forecast source: National Weather Service (api.weather.gov) for Kiawah Island (32.616, -80.061). Updated through the day.
Growing snapshot for Kiawah Island
Last spring frost
Feb 4
First fall frost
Dec 30
Growing season
321 days
Hardiness zone
9a
More local growing data for Kiawah Island: nearby ZIP 29455 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
Adams Run
Awendaw
Charleston
Edisto Beach
Folly Beach
Hollywood
Isle of Palms
James Island
Ladson
Lincolnville
McClellanville
Meggett
Mount Pleasant
North Charleston
Ravenel
Rockville
Sangaree
Seabrook Island
Sullivan's Island
All South Carolina locations ›
Climate data from the nearest NOAA station, Charleston City, Sc (11.4 mi from Kiawah Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.