Peotone, IL Weather & Growing Conditions
Overnight
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. Southeast wind around 10 mph, with gusts as high as 20 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 |
|---|---|---|---|---|
| Overnight | 64°F | Chance Showers And Thunderstorms | 10 mph SE | 38% |
| Saturday | 79°F | Showers And Thunderstorms Likely | 5 to 10 mph ESE | 94% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 5 mph SSW | 88% |
| Sunday | 71°F | Showers And Thunderstorms Likely | 5 to 15 mph NNE | 67% |
| Sunday Night | 55°F | Chance Showers And Thunderstorms | 15 mph NE | 44% |
| Monday | 65°F | Chance Rain Showers | 15 mph NE | 50% |
| Monday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 43% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Tuesday Night | 51°F | Mostly Cloudy | 10 mph NE | 13% |
| Wednesday | 66°F | Partly Sunny | 5 to 10 mph NNE | 10% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 4% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 52°F | Mostly Cloudy | 5 mph NNE | 3% |
| Friday | 72°F | Mostly Sunny | 0 to 10 mph NE | 3% |
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 Sep 19, 2026.