Wilsonville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wilsonville, a village in Macoupin County, Illinois.
Overnight
54°F
Slight Chance Drizzle
A slight chance of drizzle. Mostly cloudy, with a low around 54. Southwest wind around 12 mph. Chance of precipitation is 20%.
7-day forecast for Wilsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Slight Chance Drizzle | 12 mph SW | 18% |
| Wednesday | 58°F | Slight Chance Drizzle | 9 to 14 mph W | 13% |
| Wednesday Night | 42°F | Partly Cloudy | 7 mph SW | 1% |
| Thursday | 62°F | Mostly Sunny | 6 to 12 mph W | 0% |
| Thursday Night | 42°F | Mostly Cloudy | 5 mph NW | 1% |
| Friday | 55°F | Partly Sunny | 6 to 10 mph N | 2% |
| Friday Night | 32°F | Partly Cloudy | 1 to 7 mph N | 0% |
| Saturday | 54°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Saturday Night | 31°F | Partly Cloudy | 1 mph NW | 0% |
| Sunday | 60°F | Sunny | 1 to 6 mph NW | 1% |
| Sunday Night | 33°F | Clear | 2 mph NW | 0% |
| Monday | 64°F | Sunny | 0 to 6 mph W | 0% |
| Monday Night | 38°F | Clear | 2 mph SW | 0% |
| Tuesday | 67°F | Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Wilsonville (39.069, -89.855). Updated through the day.
Growing snapshot for Wilsonville
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
6b
More local growing data for Wilsonville: nearby ZIP 62093 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Carlinville, Il (15.5 mi from Wilsonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.