Cullom, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cullom, a village in Livingston County, Illinois.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. South wind 0 to 5 mph.
7-day forecast for Cullom
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 0 to 5 mph S | 6% |
| Tonight | 65°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Wednesday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 35% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph WSW | 87% |
| Thursday | 82°F | Showers And Thunderstorms | 0 to 5 mph SSW | 87% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Friday | 84°F | Mostly Sunny | 0 mph | 9% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 0 mph | 20% |
| Saturday | 86°F | Mostly Sunny | 0 to 5 mph SSW | 12% |
| Saturday Night | 69°F | Mostly Clear | 0 to 5 mph SSW | 12% |
| Sunday | 88°F | Sunny | 5 to 10 mph SW | 11% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 24% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 34% |
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 Aug 4, 2026.