Harman US

Isle of Palms, SC Weather & Growing Conditions

Today
88°F
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Heat index values as high as 103. East wind 3 to 12 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 88°F Showers And Thunderstorms then Chance Showers And Thunderstorms 3 to 12 mph E 78%
Tonight 77°F Partly Cloudy then Chance Showers And Thunderstorms 5 to 12 mph S 58%
Wednesday 88°F Showers And Thunderstorms Likely then Partly Sunny 5 to 12 mph S 74%
Wednesday Night 78°F Chance Showers And Thunderstorms 5 to 12 mph S 52%
Thursday 88°F Chance Showers And Thunderstorms 3 to 9 mph S 52%
Thursday Night 78°F Slight Chance Showers And Thunderstorms 3 to 8 mph S 20%
Friday 89°F Chance Showers And Thunderstorms 3 to 10 mph SE 42%
Friday Night 77°F Chance Showers And Thunderstorms 5 to 9 mph SE 31%
Saturday 87°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 to 9 mph SE 59%
Saturday Night 77°F Chance Showers And Thunderstorms 3 to 8 mph S 33%
Sunday 88°F Chance Showers And Thunderstorms 2 to 9 mph SW 46%
Sunday Night 77°F Chance Showers And Thunderstorms 5 to 8 mph SW 29%
Monday 89°F Chance Showers And Thunderstorms 3 to 10 mph SW 33%
Monday Night 78°F Chance Showers And Thunderstorms 5 to 10 mph SW 32%

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

Growing snapshot for Isle of Palms, SC

Last spring frost
Mar 13
First fall frost
Nov 30
Growing season
262 days
Hardiness zone
9a

Explore more for Isle of Palms, SC: full frost dates · planting calendar · South Carolina frost dates

Climate data from the nearest NOAA station, Sullivans Is, Sc (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.