Carbondale, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carbondale, a city in Jackson County, Illinois.
This Afternoon
77°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 4pm and 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 77, with temperatures falling to around 75 in the afternoon. South wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
7-day forecast for Carbondale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Slight Chance Showers And Thunderstorms | 18 mph S | 34% |
| Tonight | 56°F | Showers And Thunderstorms | 7 to 14 mph S | 98% |
| Wednesday | 68°F | Partly Sunny | 5 to 9 mph WSW | 7% |
| Wednesday Night | 43°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 68°F | Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 2 mph WNW | 5% |
| Friday | 61°F | Partly Sunny | 3 to 9 mph NNW | 2% |
| Friday Night | 39°F | Partly Cloudy | 2 to 6 mph NNW | 1% |
| Saturday | 58°F | Partly Sunny | 5 mph NNW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 1 mph NNW | 1% |
| Sunday | 63°F | Mostly Sunny | 0 to 6 mph WNW | 5% |
| Sunday Night | 35°F | Mostly Clear | 2 mph NW | 5% |
| Monday | 65°F | Sunny | 1 to 7 mph W | 2% |
| Monday Night | 38°F | Mostly Clear | 3 mph SW | 0% |
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 Nov 3, 2026.