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Montgomery, IL Weather & Growing Conditions

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

Tonight
63°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers between 11pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Montgomery

WhenTempForecastWindPrecip
Tonight 63°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 10 mph ESE 43%
Saturday 78°F Showers And Thunderstorms Likely 5 to 10 mph SE 80%
Saturday Night 65°F Showers And Thunderstorms Likely then Showers And Thunderstorms 5 to 10 mph SE 81%
Sunday 70°F Showers And Thunderstorms 10 to 15 mph NNE 81%
Sunday Night 56°F Rain Showers Likely 15 mph NE 66%
Monday 65°F Chance Rain Showers 15 mph ENE 50%
Monday Night 52°F Chance Rain Showers 10 to 15 mph NE 31%
Tuesday 64°F Slight Chance Rain Showers 10 to 15 mph NE 23%
Tuesday Night 51°F Mostly Cloudy 5 to 15 mph NE 12%
Wednesday 67°F Partly Sunny 10 mph NNE 6%
Wednesday Night 52°F Partly Cloudy 5 to 10 mph NNE 4%
Thursday 69°F Partly Sunny 5 to 10 mph NNE 3%
Thursday Night 53°F Partly Cloudy 5 mph NNE 3%
Friday 71°F Mostly Sunny 5 to 10 mph NNE 4%

Forecast source: National Weather Service (api.weather.gov) for Montgomery (41.721, -88.358). Updated through the day.

Growing snapshot for Montgomery

Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
185 days
Hardiness zone
5b

More local growing data for Montgomery: nearby ZIP 60538 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Aurora, Il (3.9 mi from Montgomery). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.