Harman US

Benton, IL Weather & Growing Conditions

This Afternoon
80°F
Partly Sunny
Partly sunny. High near 80, with temperatures falling to around 76 in the afternoon. South wind around 21 mph, with gusts as high as 26 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 80°F Partly Sunny 21 mph S 12%
Tonight 57°F Showers And Thunderstorms 8 to 17 mph S 99%
Wednesday 68°F Partly Sunny 6 to 12 mph WSW 14%
Wednesday Night 44°F Partly Cloudy 3 mph WSW 0%
Thursday 70°F Sunny 3 to 10 mph WSW 0%
Thursday Night 45°F Mostly Cloudy 2 mph WNW 6%
Friday 62°F Partly Sunny 3 to 12 mph NNW 2%
Friday Night 40°F Partly Cloudy 2 to 7 mph NNW 1%
Saturday 58°F Mostly Sunny 2 to 6 mph NNW 0%
Saturday Night 36°F Partly Cloudy 1 mph NW 1%
Sunday 63°F Sunny 0 to 8 mph W 6%
Sunday Night 35°F Mostly Clear 3 mph NW 5%
Monday 66°F Sunny 1 to 9 mph W 2%
Monday Night 39°F Mostly Clear 5 mph SW 0%

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 Nov 4, 2026.