Carbondale, IL Weather & Growing Conditions
Overnight
64°F
Patchy Fog
Patchy fog after 5am. Mostly clear. Low around 64, with temperatures rising to around 66 overnight. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Patchy Fog | 0 mph | 0% |
| Tuesday | 87°F | Patchy Fog then Sunny | 2 mph ENE | 0% |
| Tuesday Night | 65°F | Mostly Clear | 2 mph E | 0% |
| Wednesday | 90°F | Sunny | 2 mph S | 0% |
| Wednesday Night | 69°F | Partly Cloudy | 2 mph S | 4% |
| Thursday | 89°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 27% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph SSE | 59% |
| Friday | 89°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SSW | 59% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph SSW | 40% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 5 mph SSW | 38% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 17% |
| Sunday | 91°F | Sunny | 3 to 8 mph SSW | 7% |
| Sunday Night | 72°F | Mostly Clear | 5 to 8 mph SSW | 5% |
| Monday | 93°F | Sunny | 5 to 8 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Carbondale, IL
Last spring frost
Apr 9
First fall frost
Oct 22
Growing season
195 days
Hardiness zone
7a
Explore more for Carbondale, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Carbondale Sewage Plt, Il (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.