Willis Tower (Sears Tower) Weather Forecast

    • 70
    • 79

    Chance Thunderstorms

    • 71
    • 80

    Thunderstorms Likely

    • 70
    • 79

    Chance Rain Showers

    • 67
    • 76

    Slight Chance Thunderstorms

    • 66
    • 74

    Chance Thunderstorms

    • 67
    • 77

    Chance Rain Showers

Today 10 Aug Central Cook

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid. Highs in the mid 80s Inland, but only in the upper 70s near the lake. West Winds around 5 Mph, becoming east in the afternoon. Chance of precipitation 30 percent.

Tonight 10 Aug Central Cook

Mostly cloudy. A chance of Showers and Thunderstorms. Humid with Lows around 70. East Winds around 5 Mph. Chance of precipitation 50 percent.

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Willis Tower (Sears Tower) Temperature Statistics

August Temperature

Chicago, Chicago Midway Airport (8.7 miles)

  • Lowest 3 August, 2026

    63 °F

  • Average August

    74.2 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (8.7 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    62 °F
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