Avon, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Avon, a village in Fulton County, Illinois.
This Afternoon
80°F
Mostly Sunny
Mostly sunny, with a high near 80. East southeast wind around 8 mph.
7-day forecast for Avon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Mostly Sunny | 8 mph ESE | 2% |
| Tonight | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 8 mph ESE | 23% |
| Saturday | 87°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph S | 23% |
| Saturday Night | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 3 to 7 mph NNE | 67% |
| Sunday | 76°F | Rain Showers Likely | 2 to 10 mph NNE | 67% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 69% |
| Monday | 66°F | Showers And Thunderstorms Likely | 13 mph ENE | 69% |
| Monday Night | 53°F | Chance Rain Showers | 7 to 12 mph NE | 48% |
| Tuesday | 64°F | Chance Rain Showers | 10 mph NE | 29% |
| Tuesday Night | 49°F | Mostly Cloudy | 3 to 8 mph NNE | 5% |
| Wednesday | 67°F | Partly Sunny | 7 mph NNE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph NNE | 1% |
| Thursday | 69°F | Partly Sunny | 1 to 5 mph NNE | 4% |
| Thursday Night | 54°F | Partly Cloudy | 3 mph NE | 5% |
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 Sep 19, 2026.