Hilton Head Island, SC Weather & Growing Conditions
Overnight
76°F
Partly Cloudy
Partly cloudy, with a low around 76. West wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 76°F | Partly Cloudy | 2 mph W | 5% |
| Saturday | 89°F | Mostly Sunny | 2 to 6 mph W | 12% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 33% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 40% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph E | 40% |
| Monday | 86°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 36% |
| Monday Night | 75°F | Chance Showers And Thunderstorms | 5 mph E | 53% |
| Tuesday | 85°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 8 mph NE | 64% |
| Tuesday Night | 74°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph NE | 64% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 51% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms | 12 mph NE | 51% |
| Thursday | 83°F | Slight Chance Showers And Thunderstorms | 14 mph NE | 22% |
| Thursday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph NE | 22% |
| Friday | 82°F | Mostly Sunny then Chance Showers And Thunderstorms | 13 mph NE | 27% |
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 Sep 19, 2026.