Wenona, IL Weather & Growing Conditions
Tonight
57°F
Rain Showers
Rain showers. Cloudy, with a low around 57. South wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Rain Showers | 13 to 17 mph S | 90% |
| Wednesday | 60°F | Chance Rain Showers then Mostly Cloudy | 13 to 16 mph SW | 32% |
| Wednesday Night | 47°F | Mostly Cloudy | 13 mph SW | 9% |
| Thursday | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 15 mph WSW | 15% |
| Thursday Night | 43°F | Chance Rain Showers | 7 mph NW | 31% |
| Friday | 54°F | Slight Chance Rain Showers | 7 to 10 mph N | 21% |
| Friday Night | 36°F | Partly Cloudy | 2 to 7 mph NNW | 3% |
| Saturday | 53°F | Mostly Sunny | 5 mph WNW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 2 mph WSW | 3% |
| Sunday | 58°F | Sunny | 3 to 8 mph W | 14% |
| Sunday Night | 35°F | Mostly Clear | 6 mph W | 5% |
| Monday | 63°F | Sunny | 3 to 10 mph SW | 3% |
| Monday Night | 40°F | Mostly Clear | 7 mph WSW | 2% |
| Tuesday | 64°F | Sunny | 7 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wenona, IL
Last spring frost
Apr 26
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
5b
Explore more for Wenona, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Minonk, Il (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.