Pierron, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pierron, a village in Bond County, Illinois.
Today
96°F
Mostly Sunny
Mostly sunny, with a high near 96. Heat index values as high as 100. Southwest wind 2 to 7 mph.
7-day forecast for Pierron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Mostly Sunny | 2 to 7 mph SW | 7% |
| Tonight | 72°F | Partly Cloudy | 3 mph SW | 4% |
| Sunday | 92°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 24% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely | 6 to 9 mph NE | 55% |
| Monday | 78°F | Showers And Thunderstorms Likely | 7 to 13 mph NE | 68% |
| Monday Night | 58°F | Showers And Thunderstorms Likely | 7 to 13 mph NE | 64% |
| Tuesday | 71°F | Slight Chance Rain Showers then Partly Sunny | 12 mph NE | 19% |
| Tuesday Night | 53°F | Mostly Cloudy | 5 to 12 mph N | 9% |
| Wednesday | 73°F | Mostly Sunny | 7 to 10 mph N | 4% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 9 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 3 to 8 mph N | 1% |
| Thursday Night | 56°F | Partly Cloudy | 2 to 8 mph NE | 3% |
| Friday | 78°F | Mostly Sunny | 3 to 8 mph NE | 3% |
| Friday Night | 55°F | Partly Cloudy | 2 to 7 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Pierron (38.779, -89.592). Updated through the day.
Growing snapshot for Pierron
Last spring frost
Apr 6
First fall frost
Oct 29
Growing season
204 days
Hardiness zone
6b
More local growing data for Pierron: nearby ZIP 62273 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Carlyle Rsvr, Il (16.3 mi from Pierron). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.