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
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 8am, then a chance of showers and thunderstorms between 8am and 3pm. Mostly sunny, with a high near 87. East wind 5 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Kiawah Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 13 mph E | 70% |
| Tonight | 78°F | Chance Showers And Thunderstorms | 8 to 13 mph S | 54% |
| Wednesday | 87°F | Showers And Thunderstorms Likely then Partly Sunny | 7 to 13 mph S | 72% |
| Wednesday Night | 79°F | Slight Chance Showers And Thunderstorms | 7 to 13 mph S | 55% |
| Thursday | 87°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 to 10 mph S | 55% |
| Thursday Night | 80°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 6 to 9 mph SE | 23% |
| Friday | 87°F | Chance Showers And Thunderstorms | 5 to 13 mph SE | 40% |
| Friday Night | 79°F | Chance Showers And Thunderstorms | 7 to 10 mph SE | 35% |
| Saturday | 86°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 12 mph SE | 57% |
| Saturday Night | 79°F | Chance Showers And Thunderstorms | 6 to 10 mph S | 36% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 46% |
| Sunday Night | 80°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 32% |
| Monday | 87°F | Chance Showers And Thunderstorms | 5 to 13 mph SW | 33% |
| Monday Night | 80°F | Chance Showers And Thunderstorms | 8 to 13 mph SW | 28% |
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
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Charleston
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Isle of Palms
James Island
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McClellanville
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Mount Pleasant
North Charleston
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Seabrook Island
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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 Aug 4, 2026.