Wenonah, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wenonah, a village in Montgomery County, Illinois.
Tonight
56°F
Rain
Rain and a slight chance of thunderstorms. Cloudy, with a low around 56. South wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
7-day forecast for Wenonah
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain | 10 to 17 mph S | 95% |
| Wednesday | 61°F | Slight Chance Light Rain then Mostly Cloudy | 8 to 14 mph SW | 18% |
| Wednesday Night | 43°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 63°F | Sunny | 6 to 12 mph W | 1% |
| Thursday Night | 42°F | Mostly Cloudy then Slight Chance T-storms | 5 mph NW | 17% |
| Friday | 56°F | Partly Sunny | 5 to 9 mph NW | 11% |
| Friday Night | 37°F | Partly Cloudy | 2 to 7 mph N | 4% |
| Saturday | 55°F | Partly Sunny | 5 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 60°F | Sunny | 2 to 7 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear | 3 mph W | 4% |
| Monday | 64°F | Sunny | 2 to 8 mph SW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 mph SW | 2% |
| Tuesday | 67°F | Sunny | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Wenonah (39.320, -89.288). Updated through the day.
Growing snapshot for Wenonah
Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
190 days
Hardiness zone
6a
More local growing data for Wenonah: nearby ZIP 62075 weather · frost dates · planting calendar · Illinois frost dates
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Witt
Climate data from the nearest NOAA station, Morrisonville, Il (11.8 mi from Wenonah). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.