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
89°F
Sunny
Sunny, with a high near 89. Southeast wind around 6 mph.
7-day forecast for Hilton Head Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Sunny | 6 mph SE | 2% |
| Tonight | 75°F | Partly Cloudy | 1 to 5 mph SW | 6% |
| Saturday | 90°F | Mostly Sunny | 1 to 5 mph N | 12% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 33% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 1 to 6 mph NE | 43% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 43% |
| Monday | 86°F | Chance Showers And Thunderstorms | 1 to 6 mph NE | 37% |
| Monday Night | 75°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 53% |
| Tuesday | 86°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 7 mph NE | 64% |
| Tuesday Night | 74°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph NE | 64% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 6 to 12 mph NE | 51% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 9 mph NE | 51% |
| Thursday | 83°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 14 mph NE | 22% |
| Thursday Night | 70°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph NE | 22% |
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 Sep 18, 2026.