Coulterville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coulterville, a village in Perry County, Illinois.
Overnight
65°F
Areas Of Fog
Areas of fog. Clear, with a low around 65. East southeast wind around 1 mph.
7-day forecast for Coulterville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Areas Of Fog | 1 mph ESE | 0% |
| Tuesday | 86°F | Patchy Fog then Sunny | 1 mph ESE | 0% |
| Tuesday Night | 64°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 89°F | Sunny | 3 mph S | 2% |
| Wednesday Night | 69°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph S | 38% |
| Thursday | 87°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph SSW | 57% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 2 mph S | 56% |
| Friday | 87°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 56% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 mph SSW | 42% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph SSW | 42% |
| Saturday Night | 70°F | Partly Cloudy | 3 mph S | 11% |
| Sunday | 90°F | Sunny | 7 mph SSW | 7% |
| Sunday Night | 72°F | Mostly Clear | 7 mph S | 5% |
| Monday | 92°F | Sunny | 5 to 8 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Coulterville (38.185, -89.604). Updated through the day.
Growing snapshot for Coulterville
Last spring frost
Apr 12
First fall frost
Oct 22
Growing season
191 days
Hardiness zone
6b
More local growing data for Coulterville: nearby ZIP 62237 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sparta 1 W, Il (9.8 mi from Coulterville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.