Vernon Hills Weather Forecast

    • 3
    • 9

    Cold

    • 15
    • 24

    Mostly Cloudy

    • 30
    • 37

    Mostly Cloudy

    • 32
    • 39

    Mostly Cloudy

    • 14
    • 45

    Slight Chance Rain/Snow

    • 22
    • 30

    Mostly Cloudy

Today 14 Dec Lake

Sunny. Continued very cold. Highs around 9 above. Northwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the morning. Wind chill Values as low as 27 below.

Tonight 14 Dec Lake

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 3 above. Southwest Winds 5 to 10 Mph, increasing to 15 to 20 Mph with Gusts up to 25 Mph after midnight. Wind chill Values as low as 14 below.

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Vernon Hills Temperature Statistics

December Temperature

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

  • Lowest 4 December, 2025

    6.1 °F

  • Average December

    24 °F

  • Highest 10 December, 2025

    39 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    61.5 °F
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