Wenona, IL Weather & Growing Conditions
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. South southwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 8 mph SSW | 0% |
| Tonight | 68°F | Mostly Cloudy | 6 mph S | 7% |
| Wednesday | 82°F | Chance Showers And Thunderstorms | 7 mph SSW | 53% |
| Wednesday Night | 66°F | Showers And Thunderstorms | 5 mph NNW | 89% |
| Thursday | 80°F | Showers And Thunderstorms | 5 mph SSE | 75% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SE | 25% |
| Friday | 83°F | Mostly Sunny | 2 mph S | 12% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph SSW | 15% |
| Saturday | 85°F | Mostly Sunny | 3 to 7 mph SSW | 9% |
| Saturday Night | 71°F | Mostly Clear | 3 to 9 mph SSW | 9% |
| Sunday | 88°F | Sunny | 12 mph SSW | 10% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph SSW | 23% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 10 mph SSW | 23% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 mph SW | 35% |
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 Aug 4, 2026.