Vermilion, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vermilion, a village in Edgar County, Illinois.
Tonight
58°F
Rain
Rain before 4am, then a chance of rain showers. Mostly cloudy, with a low around 58. South wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Vermilion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Rain | 15 to 18 mph S | 87% |
| Wednesday | 66°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SSW | 40% |
| Wednesday Night | 44°F | Mostly Cloudy | 8 mph SW | 0% |
| Thursday | 64°F | Sunny | 7 to 14 mph WSW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 5 mph WNW | 4% |
| Friday | 57°F | Mostly Cloudy | 3 to 10 mph NNW | 11% |
| Friday Night | 36°F | Mostly Cloudy | 3 to 8 mph NNW | 5% |
| Saturday | 55°F | Mostly Sunny | 5 mph NNW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph WNW | 1% |
| Sunday | 61°F | Sunny | 2 to 8 mph W | 9% |
| Sunday Night | 32°F | Mostly Clear | 5 mph NW | 9% |
| Monday | 62°F | Sunny | 2 to 10 mph W | 5% |
| Monday Night | 37°F | Mostly Clear | 6 mph SW | 1% |
| Tuesday | 66°F | Sunny | 7 mph W | 2% |
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 Nov 4, 2026.