Henry, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Henry, a city in Putnam County, Illinois.
This Afternoon
77°F
Mostly Sunny
Mostly sunny. High near 77, with temperatures falling to around 72 in the afternoon. East southeast wind around 8 mph, with gusts as high as 16 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Henry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 8 mph ESE | 13% |
| Tonight | 66°F | Partly Cloudy then Chance Showers And Thunderstorms | 7 mph ESE | 38% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 5 to 8 mph SSE | 50% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph WNW | 71% |
| Sunday | 74°F | Rain Showers | 3 to 14 mph NE | 77% |
| Sunday Night | 57°F | Showers And Thunderstorms | 9 to 14 mph NE | 75% |
| Monday | 66°F | Showers And Thunderstorms Likely | 14 mph ENE | 65% |
| Monday Night | 52°F | Chance Rain Showers | 9 to 15 mph NE | 43% |
| Tuesday | 65°F | Chance Rain Showers | 13 mph NE | 29% |
| Tuesday Night | 50°F | Mostly Cloudy | 3 to 12 mph NNE | 6% |
| Wednesday | 68°F | Partly Sunny | 5 to 8 mph NNE | 5% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 7 mph NNE | 5% |
| Thursday | 70°F | Mostly Sunny | 1 to 6 mph NNE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 1 to 5 mph NNE | 4% |
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.