Wheaton Weather Forecast

    • 23
    • 23

    Snow

    • 9
    • 29

    Snow Likely

    • 14
    • 21

    Mostly Cloudy

    • 13
    • 27

    Mostly Cloudy

    • 17
    • 26

    Mostly Cloudy

    • 25
    • 32

    Mostly Cloudy

    • 22
    • 34

    Mostly Cloudy

Today 30 Dec DuPage

Mostly cloudy. A chance of snow early in the afternoon. Snow likely late. Little or no snow accumulation. Highs in the mid 20s. West Winds around 10 Mph. Chance of precipitation 70 percent.

Tonight 30 Dec DuPage

A chance of snow Early, then snow in the evening. A slight chance of freezing drizzle in the late evening and early morning. Snow accumulation around an inch. Lows in the lower 20s. Southwest Winds around 10 Mph, becoming west after midnight. Chance of precipitation near 100 percent.

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Wheaton Temperature Statistics

December Temperature

Chicago / West Chicago, Dupage Airport (7.5 miles)

  • Lowest 14 December, 2025

    -4 °F

  • Average December

    26.5 °F

  • Highest 28 December, 2025

    57 °F

Climate (2020–Present)

Chicago / West Chicago, Dupage Airport (7.5 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    61.3 °F
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