Hilton Head Island, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hilton Head Island, a town in Beaufort County, South Carolina.
This Afternoon
78°F
Mostly Sunny
Mostly sunny, with a high near 78. East wind around 13 mph, with gusts as high as 22 mph.
7-day forecast for Hilton Head Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Mostly Sunny | 13 mph E | 6% |
| Tonight | 68°F | Partly Cloudy | 5 to 10 mph E | 4% |
| Wednesday | 79°F | Partly Sunny | 5 to 8 mph E | 5% |
| Wednesday Night | 67°F | Mostly Cloudy | 3 mph SE | 3% |
| Thursday | 79°F | Mostly Sunny | 1 to 6 mph S | 4% |
| Thursday Night | 67°F | Partly Cloudy | 3 mph S | 6% |
| Friday | 79°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 32% |
| Friday Night | 61°F | Chance Showers And Thunderstorms | 3 mph W | 32% |
| Saturday | 77°F | Mostly Sunny | 5 mph N | 7% |
| Saturday Night | 56°F | Partly Cloudy then Slight Chance Rain Showers | 1 to 5 mph N | 15% |
| Sunday | 72°F | Slight Chance Rain Showers then Mostly Sunny | 6 mph NE | 15% |
| Sunday Night | 54°F | Partly Cloudy | 6 mph W | 13% |
| Monday | 70°F | Sunny then Slight Chance Rain Showers | 5 to 9 mph W | 15% |
| Monday Night | 51°F | Slight Chance Rain Showers | 5 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Hilton Head Island (32.190, -80.738). Updated through the day.
Growing snapshot for Hilton Head Island
Last spring frost
Mar 3
First fall frost
Dec 9
Growing season
282 days
Hardiness zone
9b
More local growing data for Hilton Head Island: nearby ZIP 29928 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
Beaufort
Bluffton
Burton
Dale
Daufuskie Island
Fripp Island
Harbor Island
Laurel Bay
Lobeco
Port Royal
Seabrook
Sheldon
Shell Point
All South Carolina locations ›
Climate data from the nearest NOAA station, Beaufort Wwtp, Sc (16.1 mi from Hilton Head Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.