Stockton, IL Weather & Growing Conditions
Overnight
62°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4am, then patchy fog and occasional showers and thunderstorms. Mostly cloudy, with a low around 62. East wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms Likely | 10 mph E | 92% |
| Saturday | 76°F | Patchy Fog | 5 to 10 mph SE | 98% |
| Saturday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph NE | 88% |
| Sunday | 68°F | Chance Rain Showers | 10 to 15 mph NE | 48% |
| Sunday Night | 53°F | Chance Rain Showers | 15 mph NE | 31% |
| Monday | 63°F | Chance Rain Showers | 15 mph NE | 42% |
| Monday Night | 48°F | Slight Chance Rain Showers | 10 to 15 mph NE | 23% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 15 mph NE | 18% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 65°F | Mostly Sunny | 10 mph NE | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 5 mph NE | 4% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 70°F | Mostly Sunny | 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Stockton, IL
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5a
Explore more for Stockton, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Stockton 3 Nne, Il (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.