Cissna Park, IL Weather & Growing Conditions
Today
65°F
Patchy Drizzle
Patchy drizzle and isolated rain showers. Mostly cloudy. High near 65, with temperatures falling to around 57 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Patchy Drizzle | 10 to 15 mph SW | 22% |
| Tonight | 47°F | Patchy Drizzle then Mostly Cloudy | 10 mph SW | 10% |
| Thursday | 60°F | Partly Sunny then Slight Chance Rain Showers | 10 to 15 mph WSW | 17% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph NW | 40% |
| Friday | 52°F | Partly Sunny | 10 mph NNW | 13% |
| Friday Night | 33°F | Partly Cloudy | 5 to 10 mph NW | 0% |
| Saturday | 54°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 0 mph | 1% |
| Sunday | 58°F | Sunny | 0 to 5 mph W | 2% |
| Sunday Night | 32°F | Clear | 0 to 5 mph W | 0% |
| Monday | 63°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph WSW | 1% |
| Tuesday | 66°F | Sunny | 0 to 5 mph WNW | 0% |
| Tuesday Night | 37°F | Mostly Clear | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cissna Park, IL
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
6a
Explore more for Cissna Park, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Hoopeston, Il (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.