Pearl City, IL Weather & Growing Conditions
Overnight
52°F
Chance Rain Showers
A chance of rain showers after 4am. Mostly cloudy. Low around 52, with temperatures rising to around 56 overnight. South wind 10 to 15 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Chance Rain Showers | 10 to 15 mph S | 30% |
| Wednesday | 58°F | Chance Rain Showers | 15 mph SW | 44% |
| Wednesday Night | 44°F | Chance Rain Showers | 15 mph SW | 27% |
| Thursday | 54°F | Rain Showers Likely | 10 to 15 mph W | 62% |
| Thursday Night | 37°F | Mostly Cloudy | 10 mph N | 13% |
| Friday | 48°F | Partly Sunny | 5 to 15 mph N | 4% |
| Friday Night | 29°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 33°F | Clear | 0 to 5 mph W | 0% |
| Monday | 61°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 62°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Pearl City, IL
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
169 days
Hardiness zone
5a
Explore more for Pearl City, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Freeport Waste Wtp, Il (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.