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Vernon Hills, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Vernon Hills, a village in Lake County, Illinois.

Overnight
61°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 61, with temperatures rising to around 64 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Vernon Hills

WhenTempForecastWindPrecip
Overnight 61°F Rain Showers Likely 15 mph S 61%
Wednesday 64°F Scattered Rain Showers then Patchy Drizzle 15 mph SSW 39%
Wednesday Night 48°F Patchy Drizzle then Mostly Cloudy 15 mph SW 13%
Thursday 55°F Chance Rain Showers 10 to 15 mph WSW 35%
Thursday Night 40°F Rain Showers Likely 10 to 15 mph NW 60%
Friday 49°F Mostly Cloudy 10 to 15 mph NNW 14%
Friday Night 35°F Partly Cloudy 5 to 10 mph NNW 2%
Saturday 51°F Mostly Sunny 5 mph NW 0%
Saturday Night 35°F Partly Cloudy 0 to 5 mph W 0%
Sunday 56°F Sunny 5 to 10 mph W 6%
Sunday Night 36°F Mostly Clear 5 mph W 1%
Monday 60°F Mostly Sunny 5 to 10 mph WSW 0%
Monday Night 41°F Partly Cloudy 5 mph WSW 1%
Tuesday 61°F Sunny 5 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Vernon Hills (42.234, -87.961). Updated through the day.

Growing snapshot for Vernon Hills

Last spring frost
Apr 29
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
6a

More local growing data for Vernon Hills: nearby ZIP 60061 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Mundelein 4 Wsw, Il (6.3 mi from Vernon Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.