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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.

This Afternoon
77°F
Sunny
Sunny, with a high near 77. Northeast wind around 15 mph, with gusts as high as 23 mph.

7-day forecast for Kiawah Island

WhenTempForecastWindPrecip
This Afternoon 77°F Sunny 15 mph NE 6%
Tonight 67°F Partly Cloudy 6 to 13 mph E 3%
Wednesday 78°F Mostly Sunny 6 to 9 mph E 3%
Wednesday Night 68°F Mostly Cloudy 2 to 6 mph SE 4%
Thursday 78°F Mostly Sunny 2 to 7 mph S 6%
Thursday Night 68°F Partly Cloudy 5 mph S 3%
Friday 77°F Chance Rain Showers 3 to 10 mph SW 42%
Friday Night 62°F Chance Showers And Thunderstorms 6 mph W 42%
Saturday 74°F Mostly Sunny 7 mph NE 6%
Saturday Night 57°F Partly Cloudy 3 to 7 mph NE 9%
Sunday 71°F Slight Chance Rain Showers 9 mph NE 15%
Sunday Night 54°F Partly Cloudy 6 to 9 mph N 13%
Monday 69°F Sunny then Slight Chance Rain Showers 12 mph NW 15%
Monday Night 52°F Slight Chance Rain Showers 9 mph NW 15%

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

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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 Nov 3, 2026.