Smithville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smithville, a community in Peoria County, Illinois.
This Afternoon
80°F
Chance Rain Showers
A chance of rain showers before 4pm. Partly sunny. High near 80, with temperatures falling to around 75 in the afternoon. East wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Smithville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Chance Rain Showers | 9 mph E | 38% |
| Tonight | 70°F | Partly Cloudy | 9 mph SE | 10% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 8 mph S | 22% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely | 8 mph NE | 60% |
| Sunday | 77°F | Rain Showers Likely | 5 to 13 mph NNE | 71% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 14 mph NE | 70% |
| Monday | 67°F | Showers And Thunderstorms Likely | 15 mph ENE | 70% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 14 mph NE | 44% |
| Tuesday | 65°F | Chance Rain Showers | 14 mph NE | 28% |
| Tuesday Night | 52°F | Mostly Cloudy | 6 to 10 mph NNE | 5% |
| Wednesday | 69°F | Mostly Sunny | 9 mph NNE | 4% |
| Wednesday Night | 54°F | Partly Cloudy | 3 to 8 mph NNE | 2% |
| Thursday | 70°F | Mostly Sunny | 6 mph NNE | 3% |
| Thursday Night | 55°F | Partly Cloudy | 5 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Smithville (40.659, -89.803). Updated through the day.
Growing snapshot for Smithville
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6a
More local growing data for Smithville: nearby ZIP 61536 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Banner
Bartonville
Bay View Gardens
Bellevue
Brimfield
Chillicothe
Dunlap
Elmwood
Glasford
Hanna City
Kingston Mines
Lake Camelot
Mapleton
Mossville
Norwood
Peoria
Peoria Heights
Princeville
Rome
Spring Bay
Trivoli
West Peoria
Climate data from the nearest NOAA station, Peoria Gtr Peoria Ap, Il (5.8 mi from Smithville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.