Henry, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Henry, a city in Putnam County, Illinois.
Tonight
54°F
Light Rain
Rain before 2am, then a chance of rain showers. Mostly cloudy, with a low around 54. South wind 8 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Henry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Light Rain | 8 to 12 mph S | 95% |
| Wednesday | 59°F | Chance Rain Showers then Mostly Cloudy | 10 to 14 mph SW | 28% |
| Wednesday Night | 46°F | Mostly Cloudy | 9 mph SW | 7% |
| Thursday | 57°F | Mostly Cloudy then Slight Chance Light Rain | 7 to 12 mph WSW | 19% |
| Thursday Night | 42°F | Chance Light Rain | 2 to 6 mph NW | 32% |
| Friday | 53°F | Slight Chance Light Rain | 8 mph N | 19% |
| Friday Night | 35°F | Partly Cloudy | 0 to 6 mph NNW | 3% |
| Saturday | 52°F | Mostly Sunny | 0 to 3 mph WNW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 1 mph W | 4% |
| Sunday | 58°F | Sunny then Slight Chance Light Rain | 1 to 7 mph W | 15% |
| Sunday Night | 35°F | Mostly Clear | 1 to 5 mph W | 4% |
| Monday | 62°F | Sunny | 1 to 9 mph SW | 2% |
| Monday Night | 40°F | Mostly Clear | 2 to 6 mph WSW | 1% |
| Tuesday | 64°F | Sunny | 2 to 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Henry (41.117, -89.357). Updated through the day.
Growing snapshot for Henry
Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
5b
More local growing data for Henry: nearby ZIP 61560 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hennepin, Il (6.3 mi from Henry). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.