Port Wentworth, GA Weather & Growing Conditions
Tonight
73°F
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 73. Northeast wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph NE | 32% |
| Sunday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph NE | 47% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 25% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 8 mph NE | 31% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 0 to 7 mph E | 31% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 2 to 8 mph NE | 64% |
| Tuesday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 7 mph NE | 64% |
| Wednesday | 86°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 53% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 10 mph NE | 53% |
| Thursday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 12 mph N | 16% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 9 mph NE | 16% |
| Friday | 83°F | Mostly Sunny | 9 mph NE | 9% |
| Friday Night | 65°F | Partly Cloudy | 3 to 7 mph NE | 9% |
| Saturday | 82°F | Mostly Sunny | 8 mph NE | 13% |
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 Sep 20, 2026.