Allerton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allerton, a village in Vermilion County, Illinois.
Tonight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. East southeast wind around 7 mph.
7-day forecast for Allerton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Mostly Cloudy | 7 mph ESE | 6% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 9 mph S | 38% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 7 mph S | 24% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 3 to 10 mph NW | 43% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 60% |
| Monday | 72°F | Showers And Thunderstorms Likely | 15 mph NE | 64% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 10 to 17 mph NE | 50% |
| Tuesday | 69°F | Chance Showers And Thunderstorms | 14 mph NE | 34% |
| Tuesday Night | 53°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 14 mph NNE | 16% |
| Wednesday | 69°F | Partly Sunny | 10 mph NNE | 3% |
| Wednesday Night | 54°F | Partly Cloudy | 5 to 10 mph NNE | 3% |
| Thursday | 72°F | Mostly Sunny | 5 to 8 mph N | 4% |
| Thursday Night | 54°F | Partly Cloudy | 3 to 7 mph NNE | 2% |
| Friday | 74°F | Mostly Sunny | 5 to 8 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Allerton (39.916, -87.935). Updated through the day.
Growing snapshot for Allerton
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
6a
More local growing data for Allerton: nearby ZIP 61810 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Alvan (Alvin)
Belgium
Bismarck
Catlin
Danville
East Lynn
Fairmount
Fithian
Georgetown
Henning
Hoopeston
Indianola
Muncie
Oakwood
Olivet
Potomac
Rankin
Ridge Farm
Rossville
Sidell
Tilton
Westville
Climate data from the nearest NOAA station, Sidell 4N, Il (6.4 mi from Allerton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.