Westmont Weather Forecast

    • 35
    • 40

    Mostly Cloudy

    • 32
    • 43

    Chance Drizzle

    • 38
    • 48

    Partly Sunny

    • 37
    • 50

    Chance Rain

    • 30
    • 44

    Chance Rain

    • 20
    • 35

    Chance Rain/Snow

Today 5 Jan DuPage

Mostly cloudy. Highs around 40. Southwest Winds 5 to 10 Mph.

Tonight 5 Jan DuPage

Mostly cloudy. Patchy fog. A slight chance of drizzle after midnight. Near steady temperature in the mid 30s. South Winds around 5 Mph.

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Westmont Temperature Statistics

January Temperature

Chicago, Chicago Midway Airport (11.2 miles)

  • Lowest 1 January, 2026

    12 °F

  • Average January

    19.1 °F

  • Highest 2 January, 2026

    24.1 °F

Climate (2021–Present)

Chicago, Chicago Midway Airport (11.2 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.8 °F
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