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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

WhenTempForecastWindPrecip
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

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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.