Port Wentworth, GA Weather & Growing Conditions
Today
92°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 103. South wind 2 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph S | 51% |
| Tonight | 74°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 8 mph S | 69% |
| Wednesday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 10 mph S | 29% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms | 2 to 10 mph S | 28% |
| Thursday | 92°F | Chance Showers And Thunderstorms | 1 to 9 mph S | 49% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 1 to 8 mph SE | 49% |
| Friday | 93°F | Chance Showers And Thunderstorms | 1 to 12 mph E | 52% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 2 to 10 mph E | 28% |
| Saturday | 92°F | Showers And Thunderstorms Likely | 2 to 8 mph E | 63% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 0 to 8 mph S | 45% |
| Sunday | 94°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 6 mph S | 51% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph S | 51% |
| Monday | 95°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 39% |
| Monday Night | 76°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Wentworth, GA
Last spring frost
Mar 2
First fall frost
Nov 30
Growing season
270 days
Hardiness zone
9a
Explore more for Port Wentworth, GA: full frost dates · planting calendar · Georgia frost dates
Climate data from the nearest NOAA station, Savannah Intl Ap, Ga (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.