Henry, IL Weather & Growing Conditions
Overnight
54°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Chance Rain Showers | 10 mph S | 25% |
| Wednesday | 59°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SW | 28% |
| Wednesday Night | 46°F | Mostly Cloudy | 10 mph SW | 13% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph W | 35% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph NW | 35% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 4% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 mph | 2% |
| Sunday | 57°F | Sunny | 0 to 5 mph W | 2% |
| Sunday Night | 35°F | Clear | 0 to 5 mph W | 1% |
| Monday | 62°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 62°F | Sunny | 0 to 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Henry, IL
Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
5b
Explore more for Henry, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Hennepin, Il (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.