James Island, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for James Island, a town in Charleston County, South Carolina.
Today
87°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 87. Southeast wind 3 to 13 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for James Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Chance Showers And Thunderstorms | 3 to 13 mph SE | 31% |
| Tonight | 77°F | Partly Cloudy then Chance Showers And Thunderstorms | 6 to 13 mph S | 50% |
| Wednesday | 87°F | Showers And Thunderstorms Likely then Partly Sunny | 5 to 13 mph S | 74% |
| Wednesday Night | 79°F | Chance Showers And Thunderstorms | 6 to 13 mph S | 52% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 52% |
| Thursday Night | 79°F | Slight Chance Showers And Thunderstorms | 3 to 9 mph S | 21% |
| Friday | 88°F | Chance Showers And Thunderstorms | 3 to 12 mph SE | 42% |
| Friday Night | 78°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 32% |
| Saturday | 87°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SE | 59% |
| Saturday Night | 78°F | Chance Showers And Thunderstorms | 3 to 9 mph S | 31% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 2 to 10 mph SW | 46% |
| Sunday Night | 79°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Monday | 90°F | Chance Showers And Thunderstorms | 3 to 12 mph SW | 33% |
| Monday Night | 79°F | Chance Showers And Thunderstorms | 6 to 12 mph SW | 32% |
Forecast source: National Weather Service (api.weather.gov) for James Island (32.736, -79.937). Updated through the day.
Growing snapshot for James Island
Last spring frost
Feb 4
First fall frost
Dec 30
Growing season
321 days
Hardiness zone
9a
More local growing data for James Island: nearby ZIP 29412 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
Adams Run
Awendaw
Charleston
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Kiawah Island
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Lincolnville
McClellanville
Meggett
Mount Pleasant
North Charleston
Ravenel
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Sangaree
Seabrook Island
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All South Carolina locations ›
Climate data from the nearest NOAA station, Charleston City, Sc (4.8 mi from James Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.