Vernon Hills Weather Forecast

    • 20
    • 50

    Rain Showers

    • 12
    • 25

    Chance Snow Showers

    • 23
    • 28

    Mostly Cloudy

    • 14
    • 31

    Chance Snow

    • 9
    • 20

    Mostly Sunny

    • 19
    • 27

    Mostly Sunny

Today 28 Dec Lake

Patchy fog in the morning. Showers. A slight chance of Thunderstorms early in the afternoon. Highs in the mid 50s. South Winds around 5 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 28 Dec Lake

Cloudy. Rain and snow Showers likely in the Evening, then a chance of snow Showers after midnight. Windy with Lows around 19. West Winds 15 to 25 Mph, increasing to 20 to 30 Mph after midnight. Gusts up to 45 Mph. Chance of precipitation 70 percent.

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Vernon Hills Temperature Statistics

December Temperature

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

  • Lowest 14 December, 2025

    -2 °F

  • Average December

    27 °F

  • Highest 23 December, 2025

    54 °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

    61.4 °F
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