Peotone, IL Weather & Growing Conditions
Tonight
60°F
Rain
Rain. Cloudy. Low around 60, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 30 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 |
|---|---|---|---|---|
| Tonight | 60°F | Rain | 15 mph S | 75% |
| Wednesday | 64°F | Chance Rain then Mostly Cloudy | 15 mph SSW | 53% |
| Wednesday Night | 47°F | Mostly Cloudy | 15 mph SW | 7% |
| Thursday | 59°F | Mostly Cloudy | 10 to 15 mph WSW | 13% |
| Thursday Night | 42°F | Chance Rain Showers | 5 mph WNW | 37% |
| Friday | 54°F | Chance Rain Showers | 5 to 10 mph NNW | 25% |
| Friday Night | 35°F | Partly Cloudy | 0 to 10 mph NNW | 11% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph WNW | 9% |
| Saturday Night | 33°F | Partly Cloudy | 0 mph | 4% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph WNW | 8% |
| Monday | 62°F | Sunny | 5 to 10 mph WSW | 5% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph WSW | 2% |
| Tuesday | 63°F | Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Peotone, IL
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
Explore more for Peotone, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Park Forest, Il (12.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.