Irwin, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Irwin, a village in Kankakee County, Illinois.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South wind around 5 mph.
7-day forecast for Irwin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 mph S | 3% |
| Tonight | 64°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 33% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph WSW | 85% |
| Thursday | 80°F | Showers And Thunderstorms | 0 to 5 mph SSW | 85% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Friday | 83°F | Mostly Sunny | 0 mph | 7% |
| Friday Night | 64°F | Mostly Clear | 0 mph | 12% |
| Saturday | 85°F | Mostly Sunny | 0 to 5 mph SSW | 12% |
| Saturday Night | 68°F | Mostly Clear | 0 to 5 mph SSW | 12% |
| Sunday | 87°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 5 mph WSW | 39% |
Forecast source: National Weather Service (api.weather.gov) for Irwin (41.053, -87.984). Updated through the day.
Growing snapshot for Irwin
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
188 days
Hardiness zone
5b
More local growing data for Irwin: nearby ZIP 60922 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Aroma Park
Bonfield
Bourbonnais
Bradley
Buckingham
Chebanse
Essex
Grant Park
Herscher
Hopkins Park
Kankakee
Limestone
Manteno
Momence
Reddick
Sammons Point
St. Anne
Sun River Terrace
Union Hill
Climate data from the nearest NOAA station, Kankakee Metro Wastewater, Il (8.7 mi from Irwin). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.