Whitemarsh Island, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitemarsh Island, a community in Chatham County, Georgia.
Today
78°F
Partly Sunny
Partly sunny, with a high near 78. Southeast wind 5 to 9 mph.
7-day forecast for Whitemarsh Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Partly Sunny | 5 to 9 mph SE | 1% |
| Tonight | 67°F | Mostly Cloudy | 3 mph SE | 6% |
| Thursday | 79°F | Mostly Sunny | 0 to 6 mph S | 6% |
| Thursday Night | 66°F | Partly Cloudy | 3 mph S | 5% |
| 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 | 53°F | Partly Cloudy | 5 mph NE | 1% |
| Sunday | 70°F | Mostly Sunny | 2 to 6 mph NE | 1% |
| Sunday Night | 50°F | Partly Cloudy | 3 mph NE | 7% |
| Monday | 70°F | Mostly Sunny | 2 to 6 mph N | 7% |
| Monday Night | 49°F | Slight Chance Rain Showers | 2 mph N | 15% |
| Tuesday | 70°F | Sunny | 3 mph N | 12% |
| Tuesday Night | 50°F | Slight Chance Rain Showers | 2 mph NW | 15% |
Forecast source: National Weather Service (api.weather.gov) for Whitemarsh Island (32.030, -81.013). Updated through the day.
Growing snapshot for Whitemarsh Island
Last spring frost
Mar 2
First fall frost
Nov 30
Growing season
270 days
Hardiness zone
9a
More local growing data for Whitemarsh 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
Wilmington Island
Climate data from the nearest NOAA station, Savannah Intl Ap, Ga (15.2 mi from Whitemarsh Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.