Stewardson, IL Weather & Growing Conditions
Today
86°F
Sunny
Sunny, with a high near 86. Southeast wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 1 to 5 mph SE | 0% |
| Tonight | 66°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 88°F | Sunny | 5 mph S | 1% |
| Wednesday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph S | 41% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 6 mph SSW | 73% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 3 mph S | 36% |
| Friday | 85°F | Chance Showers And Thunderstorms | 5 mph SW | 28% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 mph SSW | 23% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 mph SSW | 23% |
| Saturday Night | 69°F | Mostly Clear | 5 mph S | 14% |
| Sunday | 88°F | Sunny | 5 to 9 mph SSW | 7% |
| Sunday Night | 71°F | Mostly Clear | 8 mph SSW | 7% |
| Monday | 90°F | Mostly Sunny | 9 mph SSW | 10% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 8 mph SSW | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Stewardson, IL
Last spring frost
Apr 10
First fall frost
Oct 24
Growing season
195 days
Hardiness zone
6b
Explore more for Stewardson, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Shelbyville Dam, Il (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.