Vermilion, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vermilion, a village in Edgar County, Illinois.
Today
83°F
Sunny
Sunny, with a high near 83. South wind around 3 mph.
7-day forecast for Vermilion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 3 mph S | 0% |
| Tonight | 63°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 85°F | Sunny | 3 mph S | 0% |
| Wednesday Night | 66°F | Partly Cloudy then Chance Rain Showers | 3 mph S | 30% |
| Thursday | 83°F | Showers And Thunderstorms Likely | 3 to 7 mph SSW | 64% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 54% |
| Friday | 83°F | Chance Showers And Thunderstorms | 5 mph SW | 29% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 3 mph SSW | 29% |
| Saturday | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph SSW | 19% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 16% |
| Sunday | 87°F | Sunny | 5 to 10 mph SSW | 9% |
| Sunday Night | 71°F | Mostly Clear | 9 mph SSW | 11% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph SSW | 17% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 9 mph SSW | 29% |
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 Aug 4, 2026.