Benton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Benton, a city in Franklin County, Illinois.
This Afternoon
100°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny. High near 100, with temperatures falling to around 94 in the afternoon. South southwest wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Benton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Slight Chance Showers And Thunderstorms | 3 mph SSW | 24% |
| Tonight | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SE | 24% |
| Saturday | 99°F | Sunny | 2 to 8 mph SW | 5% |
| Saturday Night | 73°F | Partly Cloudy | 5 mph SSW | 2% |
| Sunday | 98°F | Mostly Sunny | 3 to 10 mph W | 12% |
| Sunday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 3 to 7 mph NNE | 25% |
| Monday | 88°F | Chance Showers And Thunderstorms | 3 to 12 mph NNE | 47% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 6 to 13 mph NNE | 47% |
| Tuesday | 76°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 8 to 14 mph NNE | 24% |
| Tuesday Night | 57°F | Partly Cloudy | 5 to 14 mph NNE | 6% |
| Wednesday | 76°F | Mostly Sunny | 7 to 12 mph N | 2% |
| Wednesday Night | 56°F | Partly Cloudy | 3 to 10 mph NNE | 2% |
| Thursday | 77°F | Mostly Sunny | 3 to 10 mph NNE | 2% |
| Thursday Night | 58°F | Partly Cloudy | 3 to 9 mph NNE | 2% |
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
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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 Sep 19, 2026.