Henry, IL Weather & Growing Conditions
Today
60°F
Slight Chance Drizzle
A slight chance of drizzle. Mostly cloudy. High near 60, with temperatures falling to around 55 in the afternoon. West southwest wind around 15 mph, with gusts as high as 26 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Slight Chance Drizzle | 15 mph WSW | 10% |
| Tonight | 45°F | Slight Chance Drizzle then Cloudy | 14 mph SW | 10% |
| Thursday | 55°F | Cloudy then Chance Light Rain | 10 to 15 mph W | 30% |
| Thursday Night | 41°F | Chance Light Rain | 9 mph NW | 34% |
| Friday | 51°F | Partly Sunny | 7 to 10 mph N | 3% |
| Friday Night | 32°F | Partly Cloudy | 1 to 6 mph NNW | 0% |
| Saturday | 52°F | Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 3 mph W | 2% |
| Sunday | 57°F | Sunny | 3 to 8 mph W | 2% |
| Sunday Night | 34°F | Clear | 5 mph W | 1% |
| Monday | 62°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 2 to 6 mph WSW | 0% |
| Tuesday | 64°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 39°F | Mostly Clear | 2 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Henry, IL
Last spring frost
Apr 20
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
5b
Explore more for Henry, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Lacon, Il (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.