Brunswick, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brunswick, a city in Glynn County, Georgia.
Today
93°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Mostly sunny. High near 93, with temperatures falling to around 84 in the afternoon. Heat index values as high as 101. South wind 5 to 12 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Brunswick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 12 mph S | 48% |
| Tonight | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 13 mph S | 50% |
| Wednesday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 13 mph S | 26% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms | 3 to 13 mph S | 27% |
| Thursday | 92°F | Slight Chance Showers And Thunderstorms | 1 to 12 mph SE | 25% |
| Thursday Night | 77°F | Slight Chance Showers And Thunderstorms | 3 to 10 mph SE | 24% |
| Friday | 92°F | Chance Showers And Thunderstorms | 3 to 14 mph E | 47% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 5 to 13 mph E | 34% |
| Saturday | 88°F | Showers And Thunderstorms Likely | 6 to 10 mph SE | 68% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 3 to 9 mph SE | 40% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 2 to 9 mph S | 41% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 9 mph S | 41% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 9 mph S | 33% |
| Monday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 9 mph S | 33% |
Forecast source: National Weather Service (api.weather.gov) for Brunswick (31.136, -81.467). Updated through the day.
Growing snapshot for Brunswick
Last spring frost
Feb 8
First fall frost
Dec 25
Growing season
314 days
Hardiness zone
9a
More local growing data for Brunswick: nearby ZIP 31520 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Brunswick, Ga (1.1 mi from Brunswick). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.