Union Hill, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Union Hill, a village in Kankakee County, Illinois.
This Afternoon
74°F
Chance Rain
A chance of rain. Mostly cloudy. High near 74, with temperatures falling to around 70 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Union Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Chance Rain | 15 to 20 mph S | 39% |
| Tonight | 59°F | Rain | 15 mph S | 84% |
| Wednesday | 64°F | Chance Rain then Mostly Cloudy | 15 mph SSW | 42% |
| Wednesday Night | 47°F | Mostly Cloudy | 10 mph SW | 5% |
| Thursday | 60°F | Mostly Cloudy | 10 to 15 mph WSW | 9% |
| Thursday Night | 42°F | Chance Rain | 0 to 5 mph WNW | 31% |
| Friday | 56°F | Slight Chance Rain then Mostly Cloudy | 5 to 10 mph NNW | 20% |
| Friday Night | 35°F | Partly Cloudy | 0 to 5 mph NNW | 8% |
| Saturday | 54°F | Mostly Sunny | 0 to 5 mph WNW | 6% |
| Saturday Night | 33°F | Partly Cloudy | 0 mph | 3% |
| Sunday | 59°F | Mostly Sunny | 0 to 5 mph W | 9% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph WNW | 9% |
| Monday | 64°F | Sunny | 0 to 10 mph WSW | 4% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Union Hill (41.108, -88.146). Updated through the day.
Growing snapshot for Union Hill
Last spring frost
Apr 27
First fall frost
Oct 15
Growing season
170 days
Hardiness zone
5b
More local growing data for Union Hill: nearby ZIP 60969 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Aroma Park
Bonfield
Bourbonnais
Bradley
Buckingham
Chebanse
Essex
Grant Park
Herscher
Hopkins Park
Irwin
Kankakee
Limestone
Manteno
Momence
Reddick
Sammons Point
St. Anne
Sun River Terrace
Climate data from the nearest NOAA station, Dwight, Il (13.6 mi from Union Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.