Hilton Head Island, SC Weather & Growing Conditions
Tonight
68°F
Partly Cloudy
Partly cloudy, with a low around 68. East wind 6 to 9 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Partly Cloudy | 6 to 9 mph E | 5% |
| Wednesday | 78°F | Partly Sunny | 5 to 8 mph E | 4% |
| Wednesday Night | 67°F | Mostly Cloudy | 3 mph SE | 3% |
| Thursday | 78°F | Mostly Sunny | 1 to 6 mph S | 4% |
| Thursday Night | 68°F | Partly Cloudy | 3 mph S | 6% |
| Friday | 78°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 31% |
| Friday Night | 61°F | Chance Showers And Thunderstorms | 5 mph W | 31% |
| Saturday | 76°F | Mostly Sunny | 6 mph N | 7% |
| Saturday Night | 57°F | Partly Cloudy then Slight Chance Rain Showers | 2 to 6 mph N | 15% |
| Sunday | 72°F | Slight Chance Rain Showers then Mostly Sunny | 7 mph NE | 15% |
| Sunday Night | 55°F | Partly Cloudy | 5 to 8 mph N | 13% |
| Monday | 70°F | Sunny then Slight Chance Rain Showers | 9 mph NW | 15% |
| Monday Night | 52°F | Slight Chance Rain Showers | 7 mph W | 15% |
| Tuesday | 70°F | Sunny | 8 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hilton Head Island, SC
Last spring frost
Mar 3
First fall frost
Dec 9
Growing season
282 days
Hardiness zone
9b
Explore more for Hilton Head Island, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Beaufort Wwtp, Sc (16.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.