Cullom, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cullom, a village in Livingston County, Illinois.
Tonight
58°F
Rain
Rain. Cloudy. Low around 58, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Cullom
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Rain | 15 mph S | 84% |
| Wednesday | 64°F | Chance Rain then Mostly Cloudy | 15 mph SSW | 37% |
| Wednesday Night | 46°F | Mostly Cloudy | 10 mph SW | 5% |
| Thursday | 61°F | Partly Sunny | 10 to 15 mph WSW | 7% |
| Thursday Night | 42°F | Mostly Cloudy then Chance Rain Showers | 0 to 5 mph WNW | 27% |
| Friday | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNW | 19% |
| Friday Night | 33°F | Mostly Cloudy | 0 to 5 mph NNW | 6% |
| Saturday | 54°F | Mostly Sunny | 0 to 5 mph WNW | 4% |
| Saturday Night | 31°F | Partly Cloudy | 0 mph | 3% |
| Sunday | 60°F | Mostly Sunny | 0 to 10 mph W | 10% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph WNW | 9% |
| Monday | 65°F | Sunny | 0 to 10 mph WSW | 3% |
| Monday Night | 37°F | Mostly Clear | 5 mph WSW | 3% |
| Tuesday | 66°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cullom (40.878, -88.270). Updated through the day.
Growing snapshot for Cullom
Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
5b
More local growing data for Cullom: nearby ZIP 60929 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Campus
Chatsworth
Cornell
Dwight
Emington
Fairbury
Flanagan
Forrest
Long Point
Odell
Pontiac
Saunemin
Strawn
Climate data from the nearest NOAA station, Piper City, Il (10 mi from Cullom). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.