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Hinckley, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hinckley, a village in Dekalb County, Illinois.

Tonight
63°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers between 11pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Hinckley

WhenTempForecastWindPrecip
Tonight 63°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 10 mph ESE 43%
Saturday 79°F Showers And Thunderstorms Likely 5 to 10 mph SE 81%
Saturday Night 64°F Showers And Thunderstorms Likely then Showers And Thunderstorms 5 to 10 mph NE 80%
Sunday 69°F Showers And Thunderstorms 10 to 20 mph NNE 80%
Sunday Night 56°F Rain Showers Likely 15 mph NE 65%
Monday 65°F Chance Rain Showers 15 mph ENE 51%
Monday Night 51°F Chance Rain Showers 15 mph NE 32%
Tuesday 64°F Chance Rain Showers 15 mph NE 25%
Tuesday Night 50°F Mostly Cloudy 10 to 15 mph NNE 10%
Wednesday 67°F Partly Sunny 10 to 15 mph NNE 5%
Wednesday Night 51°F Partly Cloudy 5 to 10 mph NNE 4%
Thursday 69°F Partly Sunny 5 to 10 mph NNE 4%
Thursday Night 52°F Partly Cloudy 5 mph NNE 4%
Friday 71°F Mostly Sunny 5 to 10 mph NNE 4%

Forecast source: National Weather Service (api.weather.gov) for Hinckley (41.771, -88.640). Updated through the day.

Growing snapshot for Hinckley

Last spring frost
Apr 28
First fall frost
Oct 13
Growing season
166 days
Hardiness zone
5b

More local growing data for Hinckley: nearby ZIP 60520 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Chicago Aurora Muni Ap, Il (9.7 mi from Hinckley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.