Carbondale, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carbondale, a city in Jackson County, Illinois.
Today
88°F
Sunny
Sunny. High near 88, with temperatures falling to around 86 in the afternoon. Northeast wind around 2 mph.
7-day forecast for Carbondale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 2 mph NE | 0% |
| Tonight | 65°F | Mostly Clear | 2 mph E | 0% |
| Wednesday | 91°F | Sunny | 2 mph S | 0% |
| Wednesday Night | 70°F | Partly Cloudy | 2 mph S | 4% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 2 to 7 mph SSW | 28% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph SSE | 59% |
| Friday | 90°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph SW | 59% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 3 mph SSW | 39% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 38% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 17% |
| Sunday | 92°F | Sunny | 3 to 9 mph SSW | 7% |
| Sunday Night | 73°F | Mostly Clear | 3 to 8 mph SSW | 5% |
| Monday | 93°F | Sunny | 5 to 9 mph SSW | 5% |
| Monday Night | 74°F | Mostly Clear | 5 to 8 mph SSW | 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 Aug 4, 2026.