Avon, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Avon, a village in Fulton County, Illinois.
Today
88°F
Mostly Sunny
Mostly sunny, with a high near 88. South southwest wind around 6 mph.
7-day forecast for Avon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny | 6 mph SSW | 0% |
| Tonight | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph SSE | 33% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 3 mph S | 60% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 1 to 5 mph NNW | 86% |
| Thursday | 81°F | Showers And Thunderstorms | 2 mph NE | 75% |
| Thursday Night | 62°F | Partly Cloudy | 1 mph NNE | 8% |
| Friday | 83°F | Mostly Sunny | 0 mph | 7% |
| Friday Night | 65°F | Mostly Clear | 0 mph | 14% |
| Saturday | 86°F | Sunny | 0 to 3 mph SSW | 12% |
| Saturday Night | 70°F | Mostly Clear | 1 to 5 mph S | 9% |
| Sunday | 88°F | Sunny | 5 to 10 mph SSW | 8% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 to 8 mph SSW | 22% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph SSW | 22% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 29% |
Forecast source: National Weather Service (api.weather.gov) for Avon (40.662, -90.435). Updated through the day.
Growing snapshot for Avon
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
5b
More local growing data for Avon: nearby ZIP 61415 weather · frost dates · planting calendar · Illinois frost dates
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Vermont
Climate data from the nearest NOAA station, Avon, Il (1.6 mi from Avon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.