Harman US

Stockton, IL Weather & Growing Conditions

Tonight
53°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 53°F Showers And Thunderstorms 10 to 15 mph S 86%
Wednesday 56°F Rain Showers Likely 15 mph SW 64%
Wednesday Night 44°F Chance Rain Showers 15 mph SW 32%
Thursday 52°F Chance Rain Showers 10 to 15 mph W 51%
Thursday Night 40°F Chance Rain Showers then Mostly Cloudy 10 mph N 27%
Friday 49°F Partly Sunny 5 to 10 mph N 12%
Friday Night 32°F Partly Cloudy 0 to 5 mph N 0%
Saturday 52°F Mostly Sunny 0 to 5 mph W 2%
Saturday Night 34°F Mostly Clear 0 to 5 mph W 4%
Sunday 57°F Mostly Sunny 5 to 10 mph W 13%
Sunday Night 35°F Mostly Clear 5 mph W 3%
Monday 60°F Sunny 5 to 10 mph SW 1%
Monday Night 39°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). 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 (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.