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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.

Today
79°F
Partly Sunny
Partly sunny, with a high near 79. East wind 5 to 9 mph.

7-day forecast for Hilton Head Island

WhenTempForecastWindPrecip
Today 79°F Partly Sunny 5 to 9 mph E 2%
Tonight 67°F Mostly Cloudy 3 mph SE 5%
Thursday 79°F Patchy Fog then Mostly Sunny 1 to 5 mph S 5%
Thursday Night 66°F Partly Cloudy 2 mph S 2%
Friday 79°F Chance Rain Showers 2 to 6 mph SW 37%
Friday Night 60°F Chance Rain Showers then Partly Cloudy 3 mph W 37%
Saturday 75°F Sunny 2 to 6 mph N 1%
Saturday Night 55°F Partly Cloudy 5 mph E 1%
Sunday 71°F Mostly Sunny 2 to 7 mph NE 2%
Sunday Night 52°F Partly Cloudy 3 mph NE 6%
Monday 70°F Mostly Sunny 6 mph N 6%
Monday Night 51°F Slight Chance Rain Showers 2 mph N 15%
Tuesday 71°F Slight Chance Rain Showers then Sunny 5 mph NE 15%
Tuesday Night 52°F Partly Cloudy 2 mph NW 10%

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

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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 Nov 4, 2026.