Congerville, IL Weather & Growing Conditions
Today
86°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm. Cloudy, with a high near 86. Southeast wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Chance Showers And Thunderstorms | 8 mph SE | 42% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 3 to 7 mph SSW | 55% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 3 to 15 mph N | 70% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 15 mph NE | 59% |
| Monday | 66°F | Showers And Thunderstorms Likely | 17 mph ENE | 65% |
| Monday Night | 52°F | Chance Rain Showers | 12 to 17 mph NE | 47% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 mph NE | 21% |
| Tuesday Night | 50°F | Slight Chance Rain Showers then Partly Cloudy | 7 to 15 mph NNE | 17% |
| Wednesday | 68°F | Mostly Sunny | 12 mph NNE | 4% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 10 mph NNE | 2% |
| Thursday | 70°F | Partly Sunny | 6 to 9 mph NNE | 2% |
| Thursday Night | 53°F | Partly Cloudy | 3 to 8 mph NE | 2% |
| Friday | 73°F | Mostly Sunny | 5 to 9 mph NE | 3% |
| Friday Night | 53°F | Partly Cloudy | 3 to 7 mph NE | 3% |
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 Sep 19, 2026.