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Wenonah, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Wenonah, a village in Montgomery County, Illinois.

This Afternoon
95°F
Slight Chance Rain Showers
A slight chance of rain showers between 3pm and 4pm. Mostly cloudy. High near 95, with temperatures falling to around 91 in the afternoon. West wind around 5 mph. Chance of precipitation is 20%.

7-day forecast for Wenonah

WhenTempForecastWindPrecip
This Afternoon 95°F Slight Chance Rain Showers 5 mph W 15%
Tonight 70°F Mostly Cloudy 1 to 5 mph S 5%
Sunday 89°F Partly Sunny then Slight Chance Showers And Thunderstorms 3 to 8 mph NW 47%
Sunday Night 62°F Chance Showers And Thunderstorms 6 to 9 mph NE 78%
Monday 75°F Showers And Thunderstorms 9 mph NE 78%
Monday Night 55°F Chance Rain Showers 6 to 9 mph NE 36%
Tuesday 70°F Chance Rain Showers then Mostly Cloudy 10 mph NE 33%
Tuesday Night 52°F Mostly Cloudy 5 to 10 mph N 7%
Wednesday 71°F Partly Sunny 6 to 9 mph N 2%
Wednesday Night 53°F Partly Cloudy 2 to 7 mph N 0%
Thursday 74°F Mostly Sunny 3 to 7 mph N 0%
Thursday Night 55°F Mostly Cloudy 2 to 6 mph N 9%
Friday 77°F Slight Chance Rain Showers 2 to 7 mph NE 16%
Friday Night 54°F Slight Chance Rain Showers then Partly Cloudy 2 to 6 mph NE 16%

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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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 Sep 19, 2026.