Willis Tower (Sears Tower) Weather Forecast

    • 25
    • 27

    Chance Wintry Mix

    • 22
    • 27

    Snow Likely

    • 15
    • 30

    Snow Likely

    • 18
    • 24

    Chance Snow

    • 30
    • 36

    Rain/Snow Likely

    • 18
    • 37

    Chance Rain/Snow

Today 5 Dec Central Cook

Mostly cloudy. Highs in the upper 20s. Southwest Winds 10 to 15 Mph.

Tonight 5 Dec Central Cook

Mostly cloudy. A chance of snow and patchy freezing drizzle late in the evening and overnight. Lows in the mid 20s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of precipitation 30 percent.

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Willis Tower (Sears Tower) Temperature Statistics

December Temperature

Chicago, Chicago Midway Airport (8.7 miles)

  • Lowest 2 December, 2025

    17.1 °F

  • Average December

    23.4 °F

  • Highest 1 December, 2025

    30 °F

Climate (2020–Present)

Chicago, Chicago Midway Airport (8.7 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    61.9 °F
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