Toulon, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Toulon, a city in Stark County, Illinois.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. South southwest wind 3 to 8 mph.
7-day forecast for Toulon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 3 to 8 mph SSW | 0% |
| Tonight | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SSE | 40% |
| Wednesday | 80°F | Chance Showers And Thunderstorms | 6 mph WSW | 59% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 6 mph NNE | 84% |
| Thursday | 79°F | Showers And Thunderstorms Likely | 5 mph NNE | 65% |
| Thursday Night | 63°F | Partly Cloudy | 0 to 3 mph ENE | 10% |
| Friday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph SSE | 17% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 mph SSE | 17% |
| Saturday | 85°F | Sunny | 3 to 7 mph SSW | 10% |
| Saturday Night | 70°F | Mostly Clear | 3 to 9 mph S | 9% |
| Sunday | 86°F | Sunny | 9 to 14 mph SSW | 8% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph S | 31% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 8 to 12 mph SSW | 31% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 12 mph SW | 33% |
Forecast source: National Weather Service (api.weather.gov) for Toulon (41.093, -89.863). Updated through the day.
Growing snapshot for Toulon
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
More local growing data for Toulon: nearby ZIP 61483 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Galva, Il (10.6 mi from Toulon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.