Benson, IL Weather & Growing Conditions
This Afternoon
81°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81. South southeast wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Chance Showers And Thunderstorms | 8 mph SSE | 26% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 3 to 7 mph SSE | 45% |
| Sunday | 74°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 14 mph NE | 59% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 15 mph NE | 45% |
| Monday | 66°F | Rain Showers Likely | 13 to 16 mph ENE | 65% |
| Monday Night | 53°F | Rain Showers Likely | 12 to 15 mph ENE | 55% |
| Tuesday | 64°F | Rain Showers Likely | 12 to 15 mph NE | 55% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 14 mph NE | 19% |
| Wednesday | 66°F | Partly Sunny | 7 to 12 mph NNE | 4% |
| Wednesday Night | 52°F | Partly Cloudy | 3 to 10 mph NNE | 2% |
| Thursday | 70°F | Partly Sunny | 3 to 7 mph NNE | 2% |
| Thursday Night | 54°F | Mostly Cloudy | 2 to 6 mph NNE | 5% |
| Friday | 73°F | Partly Sunny | 2 to 7 mph NE | 4% |
| Friday Night | 54°F | Partly Cloudy | 2 to 6 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Benson, IL
Last spring frost
Apr 26
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
5b
Explore more for Benson, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Minonk, Il (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.