Benton, IL Weather & Growing Conditions
Today
88°F
Patchy Fog then Sunny
Patchy fog before 8am. Sunny, with a high near 88. East northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Patchy Fog then Sunny | 2 mph ENE | 0% |
| Tonight | 64°F | Mostly Clear | 2 mph E | 0% |
| Wednesday | 91°F | Sunny | 2 mph S | 0% |
| Wednesday Night | 70°F | Partly Cloudy | 3 mph S | 6% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 1 to 7 mph SSW | 29% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph S | 59% |
| Friday | 90°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph SW | 59% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 3 mph SSW | 44% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 44% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SSW | 15% |
| Sunday | 93°F | Mostly Sunny | 2 to 9 mph SSW | 6% |
| Sunday Night | 72°F | Mostly Clear | 3 to 9 mph SSW | 5% |
| Monday | 94°F | Sunny | 5 to 9 mph SSW | 5% |
| Monday Night | 74°F | Mostly Clear | 5 to 8 mph SSW | 8% |
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
7a
Explore more for Benton, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Benton 2 N, Il (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.