Westville, IL Weather & Growing Conditions
Tonight
66°F
Mostly Cloudy
Mostly cloudy, with a low around 66. East southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Mostly Cloudy | 7 mph ESE | 8% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 6 to 9 mph S | 40% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 mph S | 31% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 2 to 9 mph NW | 49% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 13 mph NE | 62% |
| Monday | 71°F | Showers And Thunderstorms Likely | 14 mph NE | 64% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 48% |
| Tuesday | 69°F | Chance Showers And Thunderstorms | 14 mph NE | 34% |
| Tuesday Night | 54°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 13 mph NNE | 19% |
| Wednesday | 70°F | Partly Sunny | 7 to 10 mph NNE | 4% |
| Wednesday Night | 54°F | Mostly Cloudy | 3 to 9 mph NNE | 4% |
| Thursday | 72°F | Partly Sunny | 5 to 8 mph NNE | 4% |
| Thursday Night | 55°F | Partly Cloudy | 2 to 7 mph NNE | 2% |
| Friday | 74°F | Mostly Sunny | 3 to 8 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westville, IL
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6a
Explore more for Westville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Danville, Il (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.