Cisco, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cisco, a village in Piatt County, Illinois.
Tonight
54°F
Light Rain then Rain Showers
Rain and a slight chance of thunderstorms before midnight, then rain showers. Mostly cloudy. Low around 54, with temperatures rising to around 59 overnight. South wind 16 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Cisco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Light Rain then Rain Showers | 16 to 21 mph S | 96% |
| Wednesday | 61°F | Slight Chance Light Rain then Mostly Cloudy | 14 to 17 mph SW | 22% |
| Wednesday Night | 44°F | Mostly Cloudy | 13 mph SW | 1% |
| Thursday | 61°F | Mostly Sunny | 12 to 17 mph WSW | 4% |
| Thursday Night | 42°F | Mostly Cloudy | 6 to 10 mph WNW | 13% |
| Friday | 56°F | Slight Chance Light Rain then Mostly Cloudy | 8 to 14 mph NNW | 16% |
| Friday Night | 35°F | Mostly Cloudy | 5 to 13 mph NNW | 6% |
| Saturday | 54°F | Mostly Sunny | 7 mph NW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 6 mph W | 1% |
| Sunday | 60°F | Sunny | 5 to 13 mph W | 11% |
| Sunday Night | 33°F | Mostly Clear | 5 to 10 mph WNW | 6% |
| Monday | 64°F | Sunny | 6 to 14 mph WSW | 2% |
| Monday Night | 38°F | Mostly Clear | 7 to 10 mph WSW | 2% |
| Tuesday | 67°F | Sunny | 9 mph W | 1% |
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 Nov 4, 2026.