Shelbyville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shelbyville, a city in Shelby County, Illinois.
Today
86°F
Sunny
Sunny, with a high near 86. South southeast wind around 5 mph.
7-day forecast for Shelbyville
| 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) for Shelbyville (39.409, -88.800). Updated through the day.
Growing snapshot for Shelbyville
Last spring frost
Apr 10
First fall frost
Oct 24
Growing season
195 days
Hardiness zone
6a
More local growing data for Shelbyville: nearby ZIP 62565 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Cowden
Findlay
Herrick
Lakewood
Moweaqua
Oconee
Sigel
Stewardson
Strasburg
Tower Hill
Westervelt
Windsor
Climate data from the nearest NOAA station, Shelbyville Dam, Il (1.7 mi from Shelbyville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.