Cisco, IL Weather & Growing Conditions
Overnight
68°F
Mostly Cloudy
Mostly cloudy, with a low around 68. Southeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Mostly Cloudy | 8 mph SE | 9% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 9 mph S | 25% |
| Saturday Night | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 8 mph SSW | 22% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 5 to 15 mph N | 56% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 17 mph NE | 60% |
| Monday | 68°F | Showers And Thunderstorms Likely | 20 mph ENE | 70% |
| Monday Night | 53°F | Chance Rain Showers | 15 to 18 mph NE | 49% |
| Tuesday | 66°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 17 mph NE | 22% |
| Tuesday Night | 51°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 10 to 17 mph NNE | 22% |
| Wednesday | 69°F | Mostly Sunny | 14 mph NNE | 4% |
| Wednesday Night | 52°F | Partly Cloudy | 7 to 14 mph NNE | 4% |
| Thursday | 71°F | Mostly Sunny | 8 to 12 mph NNE | 3% |
| Thursday Night | 54°F | Partly Cloudy | 6 to 12 mph NNE | 3% |
| Friday | 74°F | Mostly Sunny | 7 to 12 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cisco, IL
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
Explore more for Cisco, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Decatur Ap, Il (14.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.