Stockton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stockton, a village in Jo Daviess County, Illinois.
Tonight
62°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 10pm and 2am, then showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy. Low around 62, with temperatures rising to around 64 overnight. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Stockton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Chance Showers And Thunderstorms | 10 to 15 mph SE | 88% |
| Saturday | 77°F | Showers And Thunderstorms | 5 to 10 mph SE | 84% |
| Saturday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph N | 80% |
| Sunday | 66°F | Rain Showers Likely | 15 mph NE | 57% |
| Sunday Night | 54°F | Chance Rain Showers | 15 mph NE | 48% |
| Monday | 63°F | Chance Rain Showers | 15 mph NE | 45% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 45% |
| Tuesday | 61°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 9% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 49°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 67°F | Mostly Sunny | 5 mph NE | 5% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 69°F | Mostly Sunny | 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Stockton (42.353, -90.002). Updated through the day.
Growing snapshot for Stockton
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5a
More local growing data for Stockton: nearby ZIP 61085 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Apple Canyon Lake
Apple River
East Dubuque
Elizabeth
Galena
Hanover
Menominee
Nora
Scales Mound
The Galena Territory
Warren
Climate data from the nearest NOAA station, Stockton 3 Nne, Il (4.4 mi from Stockton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.