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Centralia, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Centralia, a city in Marion County, Illinois.

Tonight
71°F
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 71. Southeast wind around 3 mph. Chance of precipitation is 20%.

7-day forecast for Centralia

WhenTempForecastWindPrecip
Tonight 71°F Slight Chance Showers And Thunderstorms then Mostly Clear 3 mph SE 21%
Saturday 97°F Sunny 2 to 6 mph SW 6%
Saturday Night 73°F Partly Cloudy 3 mph S 0%
Sunday 95°F Mostly Sunny then Slight Chance Showers And Thunderstorms 2 to 6 mph W 16%
Sunday Night 67°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 mph N 42%
Monday 83°F Showers And Thunderstorms Likely 3 to 9 mph N 56%
Monday Night 60°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 3 to 12 mph NE 56%
Tuesday 74°F Chance Showers And Thunderstorms then Partly Sunny 7 to 12 mph N 27%
Tuesday Night 55°F Mostly Cloudy 1 to 13 mph N 6%
Wednesday 75°F Mostly Sunny 2 to 9 mph N 3%
Wednesday Night 55°F Partly Cloudy 1 to 7 mph N 2%
Thursday 76°F Mostly Sunny 1 to 7 mph N 2%
Thursday Night 57°F Partly Cloudy 3 mph NE 2%
Friday 77°F Mostly Sunny 1 to 7 mph N 3%

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

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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 Sep 19, 2026.