Cisco, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cisco, a village in Piatt County, Illinois.
Tonight
68°F
Partly Cloudy
Partly cloudy, with a low around 68. Southeast wind around 10 mph, with gusts as high as 16 mph.
7-day forecast for Cisco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Partly Cloudy | 10 mph SE | 4% |
| Saturday | 89°F | Slight Chance Showers And Thunderstorms | 10 mph SSW | 20% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 8 mph S | 24% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 6 to 15 mph N | 51% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 13 to 17 mph NE | 65% |
| Monday | 70°F | Showers And Thunderstorms Likely | 18 mph NE | 69% |
| Monday Night | 54°F | Showers And Thunderstorms Likely | 15 to 20 mph NE | 60% |
| Tuesday | 68°F | Chance Rain Showers | 17 mph NE | 35% |
| Tuesday Night | 52°F | Mostly Cloudy | 9 to 17 mph NNE | 8% |
| Wednesday | 70°F | Partly Sunny | 10 to 14 mph NNE | 3% |
| Wednesday Night | 53°F | Mostly Cloudy | 6 to 14 mph NNE | 3% |
| Thursday | 71°F | Mostly Sunny | 7 to 12 mph NNE | 3% |
| Thursday Night | 54°F | Partly Cloudy | 6 to 12 mph NNE | 4% |
| Friday | 73°F | Mostly Sunny | 7 to 12 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Cisco (40.012, -88.725). Updated through the day.
Growing snapshot for Cisco
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Cisco: nearby ZIP 61830 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Atwood
Bement
Cerro Gordo
De Land
Garrett
Hammond
Lake City
LaPlace
Mansfield
Monticello
White Heath
Climate data from the nearest NOAA station, Decatur Ap, Il (14.2 mi from Cisco). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.