Congerville, IL Weather & Growing Conditions
This Afternoon
70°F
Light Rain
Rain and a slight chance of thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 65 in the afternoon. South wind around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Light Rain | 20 mph S | 75% |
| Tonight | 53°F | Rain | 14 to 17 mph S | 86% |
| Wednesday | 60°F | Chance Light Rain then Mostly Cloudy | 16 mph SW | 27% |
| Wednesday Night | 45°F | Mostly Cloudy | 12 mph SW | 4% |
| Thursday | 59°F | Partly Sunny | 10 to 15 mph WSW | 8% |
| Thursday Night | 41°F | Mostly Cloudy then Chance Light Rain | 3 to 8 mph NW | 29% |
| Friday | 54°F | Slight Chance Light Rain | 7 to 12 mph N | 19% |
| Friday Night | 34°F | Partly Cloudy | 2 to 9 mph NNW | 5% |
| Saturday | 53°F | Mostly Sunny | 5 mph WNW | 3% |
| Saturday Night | 33°F | Partly Cloudy | 3 mph WSW | 3% |
| Sunday | 59°F | Sunny | 3 to 9 mph W | 14% |
| Sunday Night | 34°F | Mostly Clear | 3 to 7 mph W | 6% |
| Monday | 64°F | Sunny | 3 to 12 mph SW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 to 8 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Congerville, IL
Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
5b
Explore more for Congerville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Congerville 2Nw, Il (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.