Shelbyville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shelbyville, a city in Shelby County, Illinois.
This Afternoon
91°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny, with a high near 91. West southwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Shelbyville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Slight Chance Showers And Thunderstorms | 7 mph WSW | 21% |
| Tonight | 69°F | Mostly Cloudy | 2 to 6 mph S | 12% |
| Sunday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph WNW | 31% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 53% |
| Monday | 74°F | Showers And Thunderstorms Likely | 9 mph NE | 64% |
| Monday Night | 55°F | Chance Rain Showers | 6 to 9 mph NE | 36% |
| Tuesday | 69°F | Chance Rain Showers | 10 mph NE | 30% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 to 9 mph NNE | 8% |
| Wednesday | 70°F | Partly Sunny | 6 to 9 mph NNE | 4% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 7 mph NNE | 0% |
| Thursday | 74°F | Partly Sunny | 3 to 7 mph N | 1% |
| Thursday Night | 55°F | Mostly Cloudy | 2 to 6 mph NNE | 1% |
| Friday | 76°F | Mostly Sunny | 3 to 7 mph NNE | 5% |
| Friday Night | 54°F | Partly Cloudy | 6 mph NE | 5% |
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 Sep 19, 2026.