Vernon Hills Weather Forecast

    • 51
    • 67

    Decreasing Clouds

    • 61
    • 73

    Chance Rain Showers

    • 46
    • 69

    Chance Rain Showers

    • 49
    • 61

    Chance Rain Showers

    • 51
    • 63

    Chance Rain Showers

    • 52
    • 64

    Chance Rain Showers

    • 51
    • 66

    Rain Showers Likely

Today 27 Oct Lake

Showers Likely, mainly in the morning. Highs in the lower 60s. Chance of precipitation 60 percent.

Tonight 27 Oct Lake

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vernon Hills Temperature Statistics

October Temperature

Chicago / Wheeling, Pal-Waukee Airport (7.5 miles)

  • Lowest 17 October, 2026

    37.7 °F

  • Average October

    60.2 °F

  • Highest 12 October, 2026

    88.6 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (7.5 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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