Centralia, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Centralia, a city in Marion County, Illinois.
Tonight
58°F
Rain
Rain and a slight chance of thunderstorms. Cloudy, with a low around 58. South wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
7-day forecast for Centralia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Rain | 8 to 16 mph S | 99% |
| Wednesday | 66°F | Slight Chance Light Rain then Mostly Cloudy | 6 to 14 mph SW | 17% |
| Wednesday Night | 43°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 67°F | Sunny | 3 to 12 mph SW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 2 mph W | 4% |
| Friday | 60°F | Mostly Cloudy | 3 to 12 mph NW | 4% |
| Friday Night | 38°F | Partly Cloudy | 1 to 6 mph N | 1% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 62°F | Sunny | 0 to 8 mph NW | 6% |
| Sunday Night | 34°F | Mostly Clear | 2 mph NW | 5% |
| Monday | 65°F | Sunny | 1 to 9 mph W | 2% |
| Monday Night | 39°F | Mostly Clear | 2 mph SW | 0% |
| Tuesday | 69°F | Sunny | 1 to 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Centralia (38.522, -89.124). Updated through the day.
Growing snapshot for Centralia
Last spring frost
Apr 9
First fall frost
Oct 24
Growing season
196 days
Hardiness zone
6b
More local growing data for Centralia: nearby ZIP 62801 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Iuka 12 Sw, Il (9.3 mi from Centralia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.