Stockton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stockton, a village in Jo Daviess County, Illinois.
Today
83°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny. High near 83, with temperatures falling to around 80 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Stockton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Tonight | 64°F | Showers And Thunderstorms Likely | 5 mph NW | 86% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 70% |
| Wednesday Night | 58°F | Showers And Thunderstorms Likely | 0 to 5 mph NW | 56% |
| Thursday | 77°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 21% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 4% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 63°F | Mostly Clear | 5 mph S | 7% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 24% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SW | 24% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
| Monday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 40% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 10 mph W | 42% |
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
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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 Aug 4, 2026.