Vernon Hills Weather Forecast

    • 64
    • 80

    Chance Thunderstorms

    • 59
    • 76

    Partly Sunny

    • 61
    • 78

    Mostly Sunny

    • 63
    • 78

    Chance Rain Showers

    • 60
    • 78

    Chance Rain Showers

    • 59
    • 76

    Partly Sunny

Today 18 Aug Lake

Mostly cloudy. A slight chance of Thunderstorms early in the afternoon. A chance of Showers in the afternoon. A chance of Thunderstorms late. Highs around 80. Southwest Winds 10 to 15 Mph. Chance of precipitation 50 percent.

Tonight 18 Aug Lake

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the lower 60s. West Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Real-Time

Vernon Hills Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    61.6 °F

  • Average August

    74.3 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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