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Wilmington Island, GA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Wilmington Island, a community in Chatham County, Georgia.

Today
78°F
Mostly Sunny
Mostly sunny, with a high near 78. Southeast wind 5 to 9 mph.

7-day forecast for Wilmington Island

WhenTempForecastWindPrecip
Today 78°F Mostly Sunny 5 to 9 mph SE 1%
Tonight 66°F Mostly Cloudy 3 mph SE 5%
Thursday 79°F Mostly Sunny 1 to 6 mph S 6%
Thursday Night 66°F Partly Cloudy 3 mph S 4%
Friday 79°F Chance Rain Showers 2 to 6 mph SW 32%
Friday Night 59°F Chance Rain Showers then Partly Cloudy 3 mph W 32%
Saturday 75°F Sunny 6 mph N 1%
Saturday Night 54°F Partly Cloudy 5 mph NE 1%
Sunday 71°F Mostly Sunny 3 to 7 mph NE 1%
Sunday Night 51°F Partly Cloudy 3 mph NE 7%
Monday 70°F Mostly Sunny 6 mph N 7%
Monday Night 50°F Slight Chance Rain Showers 3 mph N 15%
Tuesday 70°F Sunny then Slight Chance Rain Showers 5 mph NE 15%
Tuesday Night 51°F Slight Chance Rain Showers 2 mph NW 15%

Forecast source: National Weather Service (api.weather.gov) for Wilmington Island (32.000, -80.975). Updated through the day.

Growing snapshot for Wilmington Island

Last spring frost
Mar 2
First fall frost
Nov 30
Growing season
270 days
Hardiness zone
9a

More local growing data for Wilmington Island: nearby ZIP 31410 weather · frost dates · planting calendar · Georgia frost dates

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Climate data from the nearest NOAA station, Savannah Intl Ap, Ga (15.2 mi from Wilmington Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.