Cisne, IL Weather & Growing Conditions
This Afternoon
78°F
Mostly Sunny
Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. South wind around 20 mph, with gusts as high as 29 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Mostly Sunny | 20 mph S | 4% |
| Tonight | 57°F | Showers And Thunderstorms | 9 to 16 mph S | 97% |
| Wednesday | 67°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 13 mph SW | 20% |
| Wednesday Night | 44°F | Partly Cloudy | 5 mph WSW | 0% |
| Thursday | 68°F | Sunny | 3 to 12 mph WSW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph WNW | 5% |
| Friday | 60°F | Mostly Cloudy | 2 to 10 mph NNW | 2% |
| Friday Night | 39°F | Partly Cloudy | 2 to 6 mph NNW | 1% |
| Saturday | 57°F | Mostly Sunny | 5 mph NNW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 1 mph NNW | 2% |
| Sunday | 61°F | Sunny | 0 to 8 mph WNW | 6% |
| Sunday Night | 34°F | Mostly Clear | 3 mph NW | 5% |
| Monday | 64°F | Sunny | 1 to 9 mph W | 2% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cisne, IL
Last spring frost
Apr 7
First fall frost
Oct 26
Growing season
201 days
Hardiness zone
6b
Explore more for Cisne, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Fairfield Radio Wfiw, Il (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.