Shelbyville, IL Weather & Growing Conditions
Today
86°F
Sunny
Sunny, with a high near 86. South southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 mph SSE | 0% |
| Tonight | 65°F | Mostly Clear | 3 mph SSE | 0% |
| Wednesday | 88°F | Sunny | 6 mph S | 2% |
| Wednesday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph S | 50% |
| Thursday | 83°F | Showers And Thunderstorms | 2 to 6 mph SSW | 77% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 3 mph S | 30% |
| Friday | 84°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 3 mph SW | 22% |
| Friday Night | 66°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph SSW | 22% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 mph SSW | 22% |
| Saturday Night | 69°F | Mostly Clear | 5 mph S | 13% |
| Sunday | 88°F | Sunny | 6 to 9 mph SSW | 6% |
| Sunday Night | 71°F | Mostly Clear | 8 mph SSW | 8% |
| Monday | 90°F | Mostly Sunny | 9 mph SSW | 10% |
| Monday Night | 71°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 Shelbyville, IL
Last spring frost
Apr 10
First fall frost
Oct 24
Growing season
195 days
Hardiness zone
6a
Explore more for Shelbyville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Shelbyville Dam, Il (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.