Channahon, IL Weather & Growing Conditions
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 to 10 mph S | 6% |
| Tonight | 67°F | Mostly Cloudy | 5 mph S | 10% |
| Wednesday | 82°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Wednesday Night | 66°F | Showers And Thunderstorms | 0 to 5 mph W | 89% |
| Thursday | 80°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 80% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 41% |
| Friday | 83°F | Mostly Sunny | 0 to 5 mph S | 4% |
| Friday Night | 65°F | Mostly Clear | 0 mph | 9% |
| Saturday | 85°F | Mostly Sunny | 0 to 5 mph SSW | 12% |
| Saturday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 15% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SW | 15% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 33% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 33% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Channahon, IL
Last spring frost
Apr 16
First fall frost
Oct 26
Growing season
191 days
Hardiness zone
5b
Explore more for Channahon, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Channahon Dresden Isl Dam, Il (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.