Benton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Benton, a city in Franklin County, Illinois.
Today
88°F
Sunny
Sunny. High near 88, with temperatures falling to around 86 in the afternoon. East wind around 3 mph.
7-day forecast for Benton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 3 mph E | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 91°F | Sunny | 1 to 5 mph S | 1% |
| Wednesday Night | 70°F | Partly Cloudy | 1 to 5 mph S | 10% |
| Thursday | 88°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph SSW | 44% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 3 mph S | 47% |
| Friday | 88°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 7 mph SW | 57% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 49% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 5 mph SW | 29% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph SSW | 15% |
| Sunday | 93°F | Sunny | 3 to 10 mph SSW | 9% |
| Sunday Night | 74°F | Mostly Clear | 6 to 9 mph SSW | 7% |
| Monday | 96°F | Sunny | 7 to 14 mph SSW | 7% |
| Monday Night | 76°F | Mostly Clear | 9 to 13 mph SSW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Benton (38.013, -88.917). Updated through the day.
Growing snapshot for Benton
Last spring frost
Apr 4
First fall frost
Oct 28
Growing season
206 days
Hardiness zone
7a
More local growing data for Benton: nearby ZIP 62812 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Buckner
Christopher
Ewing
Hanaford
Macedonia
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Orient
Royalton
Sesser
Thompsonville
Valier
West City
West Frankfort
Zeigler
Climate data from the nearest NOAA station, Benton 2 N, Il (1.9 mi from Benton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.