Toulon, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Toulon, a city in Stark County, Illinois.
Overnight
55°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 55. South southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Toulon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Chance Light Rain | 13 mph SSW | 30% |
| Wednesday | 58°F | Chance Drizzle | 15 mph SW | 25% |
| Wednesday Night | 46°F | Slight Chance Drizzle then Cloudy | 14 mph WSW | 20% |
| Thursday | 54°F | Cloudy then Chance Light Rain | 10 to 15 mph W | 32% |
| Thursday Night | 42°F | Chance Light Rain | 9 mph NW | 32% |
| Friday | 51°F | Partly Sunny | 7 to 12 mph N | 6% |
| Friday Night | 32°F | Partly Cloudy | 1 to 6 mph NNW | 0% |
| Saturday | 52°F | Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 3 mph W | 2% |
| Sunday | 57°F | Sunny | 3 to 8 mph W | 1% |
| Sunday Night | 35°F | Clear | 3 mph WSW | 1% |
| Monday | 63°F | Sunny | 1 to 9 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 6 mph WSW | 0% |
| Tuesday | 64°F | Sunny | 5 mph NW | 0% |
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 Nov 4, 2026.