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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
78°F
Mostly Sunny
Mostly sunny, with a high near 78. Southeast wind 7 to 10 mph.

7-day forecast for Kiawah Island

WhenTempForecastWindPrecip
This Afternoon 78°F Mostly Sunny 7 to 10 mph SE 2%
Tonight 68°F Mostly Cloudy then Patchy Fog 2 to 6 mph SE 2%
Thursday 78°F Patchy Fog then Mostly Sunny 2 to 7 mph S 3%
Thursday Night 67°F Partly Cloudy 3 mph S 1%
Friday 77°F Partly Sunny then Chance Rain Showers 3 to 9 mph SW 39%
Friday Night 61°F Chance Rain Showers then Partly Cloudy 6 mph W 39%
Saturday 74°F Sunny 7 mph NE 1%
Saturday Night 55°F Partly Cloudy 5 to 9 mph NE 1%
Sunday 69°F Mostly Sunny 6 to 9 mph NE 1%
Sunday Night 53°F Partly Cloudy 6 mph NE 3%
Monday 69°F Mostly Sunny 8 mph N 5%
Monday Night 52°F Mostly Clear then Slight Chance Rain Showers 6 mph N 15%
Tuesday 69°F Slight Chance Rain Showers then Sunny 8 mph NE 15%
Tuesday Night 54°F Partly Cloudy 7 mph NW 9%

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 4, 2026.