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Stockton, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Stockton, a village in Jo Daviess County, Illinois.

Tonight
52°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

7-day forecast for Stockton

WhenTempForecastWindPrecip
Tonight 52°F Showers And Thunderstorms 15 mph S 86%
Wednesday 56°F Rain Showers Likely 15 mph SW 66%
Wednesday Night 44°F Chance Rain Showers 15 mph SW 33%
Thursday 52°F Chance Rain Showers 10 to 15 mph W 51%
Thursday Night 39°F Chance Rain Showers then Mostly Cloudy 10 mph N 27%
Friday 49°F Partly Sunny 5 to 10 mph N 12%
Friday Night 31°F Partly Cloudy 0 to 5 mph N 0%
Saturday 52°F Mostly Sunny 0 to 5 mph W 2%
Saturday Night 33°F Mostly Clear 0 to 5 mph W 4%
Sunday 57°F Mostly Sunny 5 to 10 mph W 13%
Sunday Night 34°F Mostly Clear 5 mph W 3%
Monday 59°F Sunny 5 to 15 mph SW 1%
Monday Night 38°F Mostly Clear 5 to 10 mph W 0%
Tuesday 60°F Sunny 5 to 10 mph W 1%

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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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 Nov 4, 2026.