Westmont Weather Forecast

    • 34
    • 44

    Slight Chance Rain Showers

    • 40
    • 51

    Chance Rain Showers

    • 40
    • 65

    Mostly Cloudy

    • 45
    • 67

    Partly Sunny

    • 31
    • 60

    Mostly Cloudy

    • 31
    • 43

    Partly Sunny

    • 37
    • 51

    Mostly Cloudy

Today 18 Mar DuPage

Partly cloudy. Highs in the lower 40s. Southwest Winds 10 to 20 Mph.

Tonight 18 Mar DuPage

Mostly cloudy. A slight chance of rain Showers late. Lows in the lower 30s. West Winds around 5 Mph, becoming southeast after midnight. Chance of precipitation 20 percent.

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Westmont Temperature Statistics

March Temperature

Chicago, Chicago Midway Airport (11.2 miles)

  • Lowest 16 March, 2026

    21 °F

  • Average March

    41.9 °F

  • Highest 6 March, 2026

    73 °F

Climate (2021–Present)

Chicago, Chicago Midway Airport (11.2 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.9 °F
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