Harman US

Islandton, SC Weather & Growing Conditions

Today
91°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Northeast wind around 1 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 91°F Mostly Sunny then Chance Showers And Thunderstorms 1 mph NE 36%
Tonight 71°F Chance Showers And Thunderstorms then Mostly Cloudy 0 mph 42%
Sunday 88°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 1 mph NE 23%
Sunday Night 70°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 32%
Monday 90°F Mostly Sunny then Chance Showers And Thunderstorms 1 mph E 35%
Monday Night 71°F Chance Showers And Thunderstorms 1 mph E 35%
Tuesday 87°F Showers And Thunderstorms Likely 2 mph NE 55%
Tuesday Night 69°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 2 mph NE 55%
Wednesday 83°F Partly Sunny then Chance Showers And Thunderstorms 3 to 8 mph NE 37%
Wednesday Night 66°F Chance Showers And Thunderstorms then Mostly Cloudy 3 to 7 mph NE 37%
Thursday 81°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 8 mph N 17%
Thursday Night 64°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 to 7 mph NE 17%
Friday 81°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 mph NE 20%
Friday Night 63°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 3 mph NE 20%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Islandton, SC

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

Explore more for Islandton, SC: full frost dates · planting calendar · South Carolina frost dates

Climate data from the nearest NOAA station, Hampton 1S, Sc (13.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.