Princeville, IL Weather & Growing Conditions
Today
86°F
Sunny
Sunny, with a high near 86. South wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 to 8 mph S | 0% |
| Tonight | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph SSE | 29% |
| Wednesday | 82°F | Chance Showers And Thunderstorms | 6 mph SW | 53% |
| Wednesday Night | 65°F | Showers And Thunderstorms | 6 mph N | 86% |
| Thursday | 80°F | Showers And Thunderstorms Likely | 5 mph S | 72% |
| Thursday Night | 64°F | Partly Cloudy | 0 to 3 mph ESE | 11% |
| Friday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph SSE | 17% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 mph S | 17% |
| Saturday | 85°F | Mostly Sunny | 3 to 7 mph SSW | 10% |
| Saturday Night | 71°F | Mostly Clear | 5 to 9 mph S | 9% |
| Sunday | 87°F | Sunny | 9 to 13 mph SSW | 8% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph SSW | 28% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 mph SSW | 28% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 12 mph SW | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Princeville, IL
Last spring frost
Apr 22
First fall frost
Oct 14
Growing season
174 days
Hardiness zone
5b
Explore more for Princeville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Princeville, Il (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.