Carbondale, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carbondale, a city in Jackson County, Illinois.
Tonight
72°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 9pm. Partly cloudy. Low around 72, with temperatures rising to around 75 overnight. South southeast wind around 1 mph. Chance of precipitation is 20%.
7-day forecast for Carbondale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 mph SSE | 17% |
| Saturday | 99°F | Sunny | 2 to 6 mph SW | 3% |
| Saturday Night | 73°F | Partly Cloudy | 3 mph SSW | 1% |
| Sunday | 97°F | Sunny | 6 mph WSW | 7% |
| Sunday Night | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph N | 15% |
| Monday | 88°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 47% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 5 to 9 mph N | 47% |
| Tuesday | 76°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 7 to 10 mph N | 15% |
| Tuesday Night | 58°F | Partly Cloudy | 5 to 10 mph N | 8% |
| Wednesday | 76°F | Mostly Sunny | 6 to 9 mph N | 3% |
| Wednesday Night | 57°F | Partly Cloudy | 2 to 7 mph NNE | 2% |
| Thursday | 77°F | Mostly Sunny | 2 to 8 mph N | 2% |
| Thursday Night | 59°F | Partly Cloudy | 2 to 7 mph NNE | 2% |
| Friday | 77°F | Mostly Sunny | 3 to 8 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Carbondale (37.722, -89.224). Updated through the day.
Growing snapshot for Carbondale
Last spring frost
Apr 9
First fall frost
Oct 22
Growing season
195 days
Hardiness zone
7a
More local growing data for Carbondale: nearby ZIP 62901 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Ava
Campbell Hill
De Soto
Dowell
Elkville
Gorham
Grand Tower
Harrison
Makanda
Murphysboro
Rockwood
Vergennes
Climate data from the nearest NOAA station, Carbondale Sewage Plt, Il (2.5 mi from Carbondale). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.