Vernon Hills Weather Forecast
- 60
- 82
Mostly Sunny
- 58
- 82
Mostly Sunny
- 60
- 83
Mostly Sunny
- 62
- 84
Partly Sunny
- 61
- 78
Slight Chance Thunderstorms
- 60
- 75
Chance Rain Showers
Today 15 Sep Lake
Sunny. Highs in the lower 80s Inland, but only in the mid 70s near the lake. East Winds 5 to 10 Mph.
Tonight 15 Sep Lake
Mostly clear. Lows around 60. East Winds around 5 Mph.
Vernon Hills Temperature Statistics
September Temperature
Chicago / Wheeling, Pal-Waukee Airport (7.5 miles)
Lowest 7 September, 2025
46.9 °FAverage September
64.5 °FHighest 12 September, 2025
84.9 °F
Climate (2020–Present)
Chicago / Wheeling, Pal-Waukee Airport (7.5 miles)
Average Low 2020–2025
44.1 °FAverage 2020–2025
52.9 °FAverage High 2020–2025
61.5 °F