Union Hill, IL Weather & Growing Conditions
This Afternoon
77°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny, with a high near 77. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Showers And Thunderstorms Likely | 10 mph E | 60% |
| Tonight | 65°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph ESE | 25% |
| Saturday | 83°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 64% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely | 5 mph SW | 75% |
| Sunday | 73°F | Showers And Thunderstorms | 5 to 10 mph NNE | 75% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 71% |
| Monday | 67°F | Showers And Thunderstorms Likely | 10 to 15 mph ENE | 63% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Tuesday | 65°F | Slight Chance Rain Showers | 10 mph NE | 23% |
| Tuesday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 16% |
| Wednesday | 68°F | Partly Sunny | 5 to 10 mph NNE | 6% |
| Wednesday Night | 53°F | Mostly Cloudy | 0 to 5 mph NNE | 6% |
| Thursday | 70°F | Partly Sunny | 0 to 5 mph NNE | 4% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Union Hill, IL
Last spring frost
Apr 27
First fall frost
Oct 15
Growing season
170 days
Hardiness zone
5b
Explore more for Union Hill, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Dwight, Il (13.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.