Benton, IL Weather & Growing Conditions
Today
99°F
Sunny
Sunny, with a high near 99. West southwest wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 3 to 8 mph WSW | 3% |
| Tonight | 74°F | Mostly Clear | 5 mph SSW | 2% |
| Sunday | 97°F | Mostly Sunny | 3 to 7 mph W | 0% |
| Sunday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 7 mph N | 39% |
| Monday | 85°F | Showers And Thunderstorms Likely | 6 to 12 mph NNE | 62% |
| Monday Night | 61°F | Showers And Thunderstorms Likely | 6 to 13 mph NNE | 62% |
| Tuesday | 75°F | Chance Showers And Thunderstorms | 8 to 13 mph NNE | 36% |
| Tuesday Night | 56°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 13 mph N | 18% |
| Wednesday | 76°F | Mostly Sunny | 7 to 12 mph N | 2% |
| Wednesday Night | 56°F | Partly Cloudy | 3 to 12 mph N | 0% |
| Thursday | 77°F | Mostly Sunny | 5 to 9 mph N | 2% |
| Thursday Night | 58°F | Partly Cloudy | 3 to 9 mph NNE | 3% |
| Friday | 79°F | Mostly Sunny | 5 to 10 mph NNE | 3% |
| Friday Night | 58°F | Partly Cloudy | 5 to 8 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Benton, IL
Last spring frost
Apr 4
First fall frost
Oct 28
Growing season
206 days
Hardiness zone
6b
Explore more for Benton, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Benton 2 N, Il (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.