Harman US

Islandton, SC Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Islandton, a community in Colleton County, South Carolina.

Today
90°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Southeast wind 0 to 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Islandton

WhenTempForecastWindPrecip
Today 90°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 3 mph SE 50%
Tonight 71°F Showers And Thunderstorms Likely 2 mph SE 62%
Wednesday 91°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph S 35%
Wednesday Night 73°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph E 22%
Thursday 91°F Showers And Thunderstorms Likely 0 to 3 mph S 63%
Thursday Night 72°F Showers And Thunderstorms Likely 0 to 3 mph E 63%
Friday 92°F Chance Showers And Thunderstorms 0 to 5 mph E 47%
Friday Night 72°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph E 43%
Saturday 91°F Chance Rain Showers then Chance Showers And Thunderstorms 0 to 3 mph E 54%
Saturday Night 72°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 3 mph SE 54%
Sunday 92°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 1 mph SE 54%
Sunday Night 73°F Chance Showers And Thunderstorms then Partly Cloudy 1 mph SE 54%
Monday 93°F Mostly Sunny then Chance Showers And Thunderstorms 1 mph SW 39%
Monday Night 74°F Chance Showers And Thunderstorms then Partly Cloudy 1 mph W 39%

Forecast source: National Weather Service (api.weather.gov) for Islandton (32.909, -80.936). Updated through the day.

Growing snapshot for Islandton

Last spring frost
Mar 6
First fall frost
Nov 26
Growing season
267 days
Hardiness zone
8b

More local growing data for Islandton: nearby ZIP 29929 weather · frost dates · planting calendar · South Carolina frost dates

Nearby towns & communities

All South Carolina locations ›

Climate data from the nearest NOAA station, Hampton 1S, Sc (13.9 mi from Islandton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.