Cornell, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cornell, a village in Livingston County, Illinois.
Tonight
57°F
Rain
Rain. Cloudy. Low around 57, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Cornell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Rain | 15 mph S | 90% |
| Wednesday | 62°F | Chance Rain then Mostly Cloudy | 15 mph SSW | 34% |
| Wednesday Night | 47°F | Mostly Cloudy | 10 mph SW | 8% |
| Thursday | 60°F | Mostly Cloudy | 10 to 15 mph WSW | 10% |
| Thursday Night | 42°F | Chance Rain Showers | 5 mph WNW | 32% |
| Friday | 55°F | Slight Chance Rain Showers | 5 to 10 mph NNW | 21% |
| Friday Night | 35°F | Mostly Cloudy | 0 to 10 mph NNW | 4% |
| Saturday | 54°F | Mostly Sunny | 0 to 5 mph WNW | 3% |
| Saturday Night | 33°F | Partly Cloudy | 0 mph | 2% |
| Sunday | 59°F | Sunny | 0 to 10 mph W | 12% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 7% |
| Monday | 64°F | Sunny | 0 to 10 mph WSW | 3% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 2% |
| Tuesday | 66°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cornell (40.992, -88.730). Updated through the day.
Growing snapshot for Cornell
Last spring frost
Apr 12
First fall frost
Oct 28
Growing season
199 days
Hardiness zone
5b
More local growing data for Cornell: nearby ZIP 61319 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Campus
Chatsworth
Cullom
Dwight
Emington
Fairbury
Flanagan
Forrest
Long Point
Odell
Pontiac
Saunemin
Strawn
Climate data from the nearest NOAA station, Streator 3 Se, Il (6.5 mi from Cornell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.