Westmont Weather Forecast

    • 5
    • 27

    Mostly Cloudy

    • -2
    • 8

    Cold

    • -4
    • 9

    Cold

    • -1
    • 4

    Cold

    • 18
    • 23

    Mostly Cloudy

    • 15
    • 29

    Mostly Cloudy

Today 18 Jan DuPage

Mostly cloudy in the Morning, then clearing. Highs in the upper 20s. North Winds 15 to 25 Mph with Gusts up to 35 Mph in the Morning, becoming northwest 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 18 Jan DuPage

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 4 above. Northwest Winds 10 to 20 Mph with Gusts up to 25 Mph. Wind chill Values as low as 12 below after midnight.

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Westmont Temperature Statistics

January Temperature

Chicago, Chicago Midway Airport (11.2 miles)

  • Lowest 15 January, 2025

    5 °F

  • Average January

    23.1 °F

  • Highest 12 January, 2025

    36 °F

Climate (2020–Present)

Chicago, Chicago Midway Airport (11.2 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    61.7 °F
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