Cerro Gordo, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cerro Gordo, a village in Piatt County, Illinois.
Overnight
58°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 58. South southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Cerro Gordo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Chance Light Rain | 15 mph SSW | 33% |
| Wednesday | 61°F | Slight Chance Light Rain then Slight Chance Drizzle | 13 to 16 mph SW | 15% |
| Wednesday Night | 44°F | Slight Chance Drizzle then Mostly Cloudy | 13 mph WSW | 10% |
| Thursday | 61°F | Partly Sunny | 12 to 16 mph W | 12% |
| Thursday Night | 42°F | Mostly Cloudy | 6 to 10 mph NW | 5% |
| Friday | 53°F | Partly Sunny | 14 mph NNW | 7% |
| Friday Night | 32°F | Partly Cloudy | 5 to 12 mph NNW | 0% |
| Saturday | 52°F | Sunny | 7 mph NNW | 0% |
| Saturday Night | 31°F | Mostly Clear | 5 mph WNW | 1% |
| Sunday | 58°F | Sunny | 5 to 10 mph WNW | 1% |
| Sunday Night | 32°F | Clear | 6 mph W | 1% |
| Monday | 63°F | Sunny | 3 to 9 mph SW | 0% |
| Monday Night | 38°F | Clear | 7 mph SW | 0% |
| Tuesday | 66°F | Sunny | 7 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Cerro Gordo (39.889, -88.734). Updated through the day.
Growing snapshot for Cerro Gordo
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Cerro Gordo: nearby ZIP 61818 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Decatur Ap, Il (8.7 mi from Cerro Gordo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.