Lake in the Hills Weather Forecast

    • 61
    • 77

    Becoming Sunny

    • 59
    • 80

    Mostly Sunny

    • 62
    • 82

    Chance Rain Showers

    • 54
    • 79

    Mostly Sunny

    • 50
    • 71

    Mostly Sunny

    • 48
    • 68

    Mostly Sunny

Today 20 Aug McHenry

Mostly cloudy in the morning then clearing. Patchy fog through mid morning. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 20 Aug McHenry

Mostly clear. Lows around 60. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake in the Hills Temperature Statistics

August Temperature

Chicago / West Chicago, Dupage Airport (19.9 miles)

  • Lowest 2 August, 2025

    54.6 °F

  • Average August

    76.3 °F

  • Highest 16 August, 2025

    95.6 °F

Climate (2020–Present)

Chicago / West Chicago, Dupage Airport (19.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    61.3 °F
Get WillyWeather+ to remove ads