Harman US

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

WhenTempForecastWindPrecip
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.