Henry, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Henry, a city in Putnam County, Illinois.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South wind around 2 mph.
7-day forecast for Henry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 2 mph S | 0% |
| Tuesday | 87°F | Sunny | 2 to 6 mph SSW | 0% |
| Tuesday Night | 67°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph S | 19% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 51% |
| Wednesday Night | 65°F | Showers And Thunderstorms | 1 to 5 mph N | 87% |
| Thursday | 80°F | Showers And Thunderstorms Likely | 3 mph SSE | 69% |
| Thursday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph E | 17% |
| Friday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph S | 18% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 mph SSW | 18% |
| Saturday | 86°F | Mostly Sunny | 1 to 6 mph SSW | 8% |
| Saturday Night | 70°F | Mostly Clear | 2 to 7 mph SSW | 8% |
| Sunday | 88°F | Sunny | 7 to 12 mph SSW | 8% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 26% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 9 mph SSW | 26% |
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 Aug 4, 2026.