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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Cortland
DeKalb
Genoa
Kingston
Kirkland
Lake Holiday
Malta
Sandwich
Shabbona
Somonauk
Sycamore
Waterman
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.