Benson, IL Weather & Growing Conditions
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 7 mph SSW | 0% |
| Tonight | 66°F | Partly Cloudy | 6 mph S | 8% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 7 mph SSW | 46% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 6 mph N | 89% |
| Thursday | 81°F | Showers And Thunderstorms | 5 mph SSW | 79% |
| Thursday Night | 64°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SSE | 19% |
| Friday | 83°F | Mostly Sunny | 2 mph SSW | 14% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 3 mph SW | 20% |
| Saturday | 86°F | Mostly Sunny | 3 to 7 mph SSW | 11% |
| Saturday Night | 71°F | Mostly Clear | 3 to 9 mph SSW | 11% |
| Sunday | 88°F | Sunny | 9 to 13 mph SSW | 9% |
| Sunday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 12 mph SSW | 20% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 12 mph SSW | 20% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 12 mph SW | 31% |
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 Aug 4, 2026.