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
89°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 89. Southeast wind 2 to 6 mph. Chance of precipitation is 20%.
7-day forecast for Wilmington Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SE | 19% |
| Tonight | 75°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 23% |
| Sunday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 6 mph NE | 40% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 21% |
| Monday | 86°F | Chance Showers And Thunderstorms | 1 to 7 mph NE | 29% |
| Monday Night | 74°F | Chance Showers And Thunderstorms | 0 to 6 mph E | 47% |
| Tuesday | 85°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 7 mph NE | 66% |
| Tuesday Night | 73°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph NE | 66% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 6 to 12 mph NE | 50% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 10 mph NE | 50% |
| Thursday | 83°F | Chance Showers And Thunderstorms | 13 mph NE | 25% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 to 10 mph NE | 25% |
| Friday | 82°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 8 to 12 mph NE | 24% |
| Friday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph NE | 24% |
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
Nearby towns & communities
Bloomingdale
Dutch Island
Garden City
Georgetown
Henderson
Isle of Hope
Montgomery
Pooler
Port Wentworth
Savannah
Skidaway Island
Talahi Island
Thunderbolt
Tybee Island
Vernonburg
Whitemarsh Island
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 Sep 19, 2026.