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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.

Today
95°F
Slight Chance Showers And Thunderstorms then Partly Sunny
A slight chance of showers and thunderstorms before 11am. Partly sunny, with a high near 95. Southwest wind around 7 mph. Chance of precipitation is 20%.

7-day forecast for Wenonah

WhenTempForecastWindPrecip
Today 95°F Slight Chance Showers And Thunderstorms then Partly Sunny 7 mph SW 17%
Tonight 70°F Partly Cloudy 3 mph SW 11%
Sunday 88°F Chance Showers And Thunderstorms 2 to 8 mph N 38%
Sunday Night 61°F Chance Showers And Thunderstorms 9 mph NE 63%
Monday 74°F Showers And Thunderstorms Likely 12 mph NE 68%
Monday Night 55°F Showers And Thunderstorms Likely 7 to 12 mph NE 61%
Tuesday 69°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 12 mph NE 23%
Tuesday Night 52°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph N 19%
Wednesday 72°F Mostly Sunny 6 to 9 mph N 4%
Wednesday Night 52°F Partly Cloudy 3 to 8 mph N 2%
Thursday 74°F Mostly Sunny 5 to 8 mph N 2%
Thursday Night 54°F Partly Cloudy 2 to 7 mph NE 2%
Friday 76°F Mostly Sunny 3 to 8 mph NE 3%
Friday Night 54°F Partly Cloudy 3 to 7 mph NE 1%

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.