Vermilion, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vermilion, a village in Edgar County, Illinois.
Overnight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. East southeast wind around 6 mph.
7-day forecast for Vermilion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Mostly Cloudy | 6 mph ESE | 5% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 6 to 9 mph SSW | 35% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 8 mph S | 24% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 3 to 10 mph WNW | 30% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 9 to 13 mph NNE | 61% |
| Monday | 74°F | Showers And Thunderstorms Likely | 14 mph NE | 61% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 53% |
| Tuesday | 71°F | Chance Showers And Thunderstorms | 15 mph NE | 38% |
| Tuesday Night | 54°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 15 mph NNE | 17% |
| Wednesday | 71°F | Partly Sunny | 10 mph NNE | 4% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 to 10 mph N | 4% |
| Thursday | 73°F | Partly Sunny | 5 to 9 mph N | 3% |
| Thursday Night | 55°F | Partly Cloudy | 3 to 8 mph NNE | 3% |
| Friday | 74°F | Mostly Sunny | 5 to 9 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Vermilion (39.580, -87.588). Updated through the day.
Growing snapshot for Vermilion
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Vermilion: nearby ZIP 61955 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Paris Stp, Il (5 mi from Vermilion). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.