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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.