Hinckley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hinckley, a village in Dekalb County, Illinois.
Today
79°F
Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers and thunderstorms before noon, then showers and thunderstorms likely. Cloudy, with a high near 79. East southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Hinckley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph ESE | 100% |
| Tonight | 64°F | Showers And Thunderstorms | 5 to 10 mph NE | 96% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 60% |
| Sunday Night | 56°F | Chance Rain Showers | 15 mph NE | 36% |
| Monday | 65°F | Chance Rain Showers | 15 mph ENE | 43% |
| Monday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 24% |
| Tuesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 19% |
| Tuesday Night | 50°F | Partly Cloudy | 10 to 15 mph NE | 9% |
| Wednesday | 66°F | Mostly Sunny | 10 to 15 mph NE | 6% |
| Wednesday Night | 51°F | Partly Cloudy | 5 to 10 mph NNE | 1% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 52°F | Partly Cloudy | 5 to 10 mph NNE | 3% |
| Friday | 72°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Friday Night | 52°F | Partly Cloudy | 5 to 10 mph NE | 3% |
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.