Bentley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bentley, a town in Hancock County, Illinois.
Overnight
71°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5am. Partly cloudy. Low around 71, with temperatures rising to around 73 overnight. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Bentley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 16% |
| Saturday | 90°F | Mostly Cloudy | 5 to 10 mph S | 10% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 mph W | 55% |
| Sunday | 78°F | Rain Showers Likely | 5 to 10 mph N | 63% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 10 mph NE | 67% |
| Monday | 67°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 67% |
| Monday Night | 55°F | Chance Rain Showers | 10 mph NE | 48% |
| Tuesday | 63°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 29% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 69°F | Mostly Sunny | 5 mph NE | 4% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 71°F | Mostly Sunny | 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Bentley (40.344, -91.112). Updated through the day.
Growing snapshot for Bentley
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
191 days
Hardiness zone
6a
More local growing data for Bentley: nearby ZIP 62321 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Bentley, Il (4.6 mi from Bentley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.