Henry, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Henry, a city in Putnam County, Illinois.
This Afternoon
81°F
Slight Chance Rain Showers
A slight chance of rain showers before 3pm. Mostly cloudy, with a high near 81. South southeast wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Henry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Slight Chance Rain Showers | 7 mph SSE | 17% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph E | 71% |
| Sunday | 73°F | Showers And Thunderstorms Likely | 5 to 12 mph NNE | 72% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 44% |
| Monday | 65°F | Rain Showers Likely | 10 to 14 mph ENE | 63% |
| Monday Night | 53°F | Rain Showers Likely | 8 to 13 mph ENE | 55% |
| Tuesday | 64°F | Rain Showers Likely | 9 to 13 mph NE | 55% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 13 mph NNE | 13% |
| Wednesday | 66°F | Partly Sunny | 5 to 9 mph NNE | 4% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 9 mph NNE | 2% |
| Thursday | 69°F | Partly Sunny | 5 mph NNE | 3% |
| Thursday Night | 54°F | Mostly Cloudy | 3 mph NNE | 10% |
| Friday | 73°F | Partly Sunny | 1 to 5 mph NE | 7% |
| Friday Night | 54°F | Partly Cloudy | 3 mph NE | 6% |
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 Sep 19, 2026.