Percy, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Percy, a village in Randolph County, Illinois.
Tonight
55°F
Rain
Rain before 3am, then a slight chance of drizzle. Mostly cloudy, with a low around 55. Southwest wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
7-day forecast for Percy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain | 7 to 13 mph SW | 85% |
| Wednesday | 65°F | Mostly Cloudy | 5 to 10 mph W | 6% |
| Wednesday Night | 41°F | Mostly Clear | 3 mph SW | 0% |
| Thursday | 68°F | Sunny | 3 to 7 mph W | 0% |
| Thursday Night | 42°F | Mostly Cloudy | 3 mph W | 6% |
| Friday | 59°F | Partly Sunny | 3 to 12 mph NW | 2% |
| Friday Night | 37°F | Mostly Cloudy | 5 mph N | 0% |
| Saturday | 57°F | Partly Sunny | 5 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 63°F | Sunny | 1 to 6 mph W | 4% |
| Sunday Night | 33°F | Mostly Clear | 2 mph W | 5% |
| Monday | 66°F | Sunny | 1 to 7 mph W | 2% |
| Monday Night | 37°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 69°F | Sunny | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Percy (38.015, -89.618). Updated through the day.
Growing snapshot for Percy
Last spring frost
Apr 12
First fall frost
Oct 22
Growing season
191 days
Hardiness zone
7a
More local growing data for Percy: nearby ZIP 62272 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sparta 1 W, Il (10 mi from Percy). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.