Percy, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Percy, a village in Randolph County, Illinois.
Overnight
66°F
Clear
Clear, with a low around 66. East wind around 1 mph.
7-day forecast for Percy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Clear | 1 mph E | 0% |
| Tuesday | 86°F | Patchy Fog then Sunny | 1 mph E | 0% |
| Tuesday Night | 64°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 89°F | Sunny | 0 to 3 mph S | 2% |
| Wednesday Night | 69°F | Partly Cloudy then Chance Showers And Thunderstorms | 3 mph S | 28% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 3 mph SW | 47% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 3 mph S | 58% |
| Friday | 87°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 58% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 mph SW | 43% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph S | 43% |
| Saturday Night | 70°F | Partly Cloudy | 5 mph S | 12% |
| Sunday | 91°F | Sunny | 3 to 7 mph S | 7% |
| Sunday Night | 72°F | Mostly Clear | 7 mph S | 4% |
| Monday | 92°F | Sunny | 5 to 8 mph SW | 4% |
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 Aug 4, 2026.