Jekyll Island, GA Weather & Growing Conditions
Today
90°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Mostly sunny. High near 90, with temperatures falling to around 84 in the afternoon. Heat index values as high as 101. South wind 5 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 13 mph S | 40% |
| Tonight | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 13 mph S | 43% |
| Wednesday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 14 mph S | 21% |
| Wednesday Night | 76°F | Slight Chance Showers And Thunderstorms | 3 to 14 mph S | 30% |
| Thursday | 89°F | Slight Chance Showers And Thunderstorms | 2 to 12 mph S | 30% |
| Thursday Night | 77°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SE | 20% |
| Friday | 89°F | Chance Showers And Thunderstorms | 6 to 14 mph E | 46% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 6 to 13 mph E | 38% |
| Saturday | 88°F | Showers And Thunderstorms Likely | 6 to 10 mph SE | 65% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 3 to 9 mph SE | 38% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 2 to 9 mph S | 38% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 9 mph S | 38% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph S | 28% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 9 mph S | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jekyll Island, GA
Last spring frost
Feb 9
First fall frost
Dec 26
Growing season
312 days
Hardiness zone
9a
Explore more for Jekyll Island, GA: full frost dates · planting calendar · Georgia frost dates
Climate data from the nearest NOAA station, Brunswick Malcolm Mckinnon Ap, Ga (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.