Hilton Head Island, SC Weather & Growing Conditions
Today
89°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Northwest wind around 5 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph NW | 25% |
| Tonight | 76°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 30% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 5 mph NE | 43% |
| Sunday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SE | 21% |
| Monday | 86°F | Chance Showers And Thunderstorms | 1 to 6 mph NE | 27% |
| Monday Night | 76°F | Chance Showers And Thunderstorms | 1 to 5 mph E | 47% |
| Tuesday | 85°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph NE | 66% |
| Tuesday Night | 74°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph NE | 66% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 52% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 12 mph NE | 52% |
| Thursday | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 14 mph NE | 24% |
| Thursday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 12 mph NE | 24% |
| Friday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 12 mph NE | 23% |
| Friday Night | 69°F | Slight Chance Showers And Thunderstorms | 9 mph NE | 23% |
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.