Countryside Lake Weather Forecast

    • 63
    • 80

    Decreasing Clouds

    • 61
    • 76

    Mostly Sunny

    • 63
    • 79

    Partly Sunny

    • 71
    • 86

    Mostly Cloudy

    • 65
    • 88

    Slight Chance Thunderstorms

    • 60
    • 79

    Slight Chance Rain Showers

Today 5 Sep Lake

Mostly cloudy. Patchy fog early in the morning. Humid with Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 5 Sep Lake

Partly cloudy. A slight chance of Showers and Thunderstorms. Patchy fog late. Near steady temperature in the lower 70s. North Winds around 5 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Countryside Lake Temperature Statistics

September Temperature

Chicago / Wheeling, Pal-Waukee Airport (11.2 miles)

  • Lowest 1 September, 2026

    72.6 °F

  • Average September

    85.1 °F

  • Highest 1 September, 2026

    95.6 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (11.2 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.6 °F
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