Irwinton, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Irwinton, a city in Wilkinson County, Georgia.
Tonight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. East wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Irwinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Mostly Cloudy | 5 to 10 mph E | 5% |
| Wednesday | 82°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 48% |
| Wednesday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 59% |
| Thursday | 82°F | Partly Sunny then Chance Rain Showers | 0 to 5 mph SW | 26% |
| Thursday Night | 62°F | Chance Rain Showers | 0 mph | 33% |
| Friday | 80°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 33% |
| Friday Night | 51°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NW | 21% |
| Saturday | 76°F | Sunny | 0 to 5 mph NW | 8% |
| Saturday Night | 46°F | Partly Cloudy | 0 mph | 4% |
| Sunday | 73°F | Mostly Sunny | 0 to 5 mph N | 7% |
| Sunday Night | 44°F | Partly Cloudy | 0 to 5 mph NW | 10% |
| Monday | 71°F | Sunny | 5 mph NW | 9% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph NW | 6% |
| Tuesday | 73°F | Sunny | 0 to 5 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Irwinton (32.811, -83.174). Updated through the day.
Growing snapshot for Irwinton
Last spring frost
Mar 12
First fall frost
Nov 19
Growing season
255 days
Hardiness zone
8b
More local growing data for Irwinton: nearby ZIP 31042 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Irwinton 4 Wnw, Ga (6.6 mi from Irwinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.