Irwinton, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Irwinton, a city in Wilkinson County, Georgia.
Today
89°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely after 11am. Mostly sunny. High near 89, with temperatures falling to around 85 in the afternoon. Heat index values as high as 97. Southwest wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Irwinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Showers And Thunderstorms Likely | 0 mph | 61% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 44% |
| Wednesday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 0 mph | 33% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Thursday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 39% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 43% |
| Friday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Friday Night | 70°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Saturday | 92°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 27% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 27% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 33% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 0 mph | 33% |
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 Aug 4, 2026.