Hinckley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hinckley, a village in Dekalb County, Illinois.
Tonight
58°F
Rain Showers
Rain showers. Cloudy. Low around 58, with temperatures rising to around 60 overnight. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Hinckley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Rain Showers | 15 mph SSE | 92% |
| Wednesday | 61°F | Chance Rain Showers | 15 mph SSW | 51% |
| Wednesday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph SW | 18% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph WSW | 40% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph NW | 39% |
| Friday | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph N | 21% |
| Friday Night | 34°F | Partly Cloudy | 5 to 10 mph NNW | 3% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 3% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph WSW | 4% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph W | 13% |
| Sunday Night | 35°F | Mostly Clear | 5 mph WNW | 5% |
| Monday | 61°F | Sunny | 5 to 15 mph WSW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 62°F | Sunny | 5 to 10 mph WNW | 0% |
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 Nov 4, 2026.