Calumet City Weather Forecast

    • 72
    • 97

    Chance Thunderstorms

    • 71
    • 80

    Slight Chance Thunderstorms

    • 74
    • 92

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 65
    • 76

    Partly Sunny

    • 66
    • 79

    Sunny

    • 67
    • 84

    Mostly Sunny

Today 16 Aug Southern Cook

Mostly sunny in the Morning, then becoming partly cloudy. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of precipitation 40 percent. Heat index Values up to 103.

Tonight 16 Aug Southern Cook

A chance of Showers and Thunderstorms late in the Evening, then Showers and Thunderstorms likely in the late evening and early morning. A chance of Showers and Thunderstorms late. Lows in the lower 70s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of precipitation 70 percent.

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Calumet City Temperature Statistics

August Temperature

Lansing Municipal Airport (5 miles)

  • Lowest 2 August, 2025

    54.1 °F

  • Average August

    74.5 °F

  • Highest 9 August, 2025

    90.3 °F

Climate (2020–Present)

Lansing Municipal Airport (5 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    60.3 °F
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