Willis Tower (Sears Tower) Weather Forecast

    • 43
    • 43

    Rain Showers

    • 20
    • 58

    Rain Showers

    • 16
    • 26

    Chance Snow Showers

    • 24
    • 29

    Mostly Cloudy

    • 13
    • 32

    Chance Snow

    • 9
    • 20

    Mostly Sunny

Today 27 Dec Central Cook

Cloudy. Patchy fog early in the morning. Highs in the mid 40s. Southeast Winds 5 to 10 Mph.

Tonight 27 Dec Central Cook

Cloudy. A slight chance of rain in the Evening, then rain likely after midnight. Lows in the mid 40s. Southeast Winds 5 to 10 Mph. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Willis Tower (Sears Tower) Temperature Statistics

December Temperature

Chicago, Chicago Midway Airport (8.7 miles)

  • Lowest 14 December, 2025

    -0.9 °F

  • Average December

    27.4 °F

  • Highest 23 December, 2025

    54 °F

Climate (2020–Present)

Chicago, Chicago Midway Airport (8.7 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    54.3 °F

  • Average High 2020–2025

    61.8 °F
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