Westmont Weather Forecast

    • 79
    • 96

    Breezy

    • 78
    • 97

    Hot

    • 77
    • 98

    Hot

    • 69
    • 93

    Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

Today 21 Jun DuPage

Mostly sunny and windy. Hot and humid with Highs in the mid 90s. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Heat index Values up to 108.

Tonight 21 Jun DuPage

Clear, windy. Very warm and humid with Lows in the upper 70s. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph, Diminishing to 10 to 15 Mph with Gusts up to 25 Mph after midnight. Heat index Values up to 105 early in the evening.

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Westmont Temperature Statistics

June Temperature

Chicago, Chicago Midway Airport (11.2 miles)

  • Lowest 1 June, 2025

    48.9 °F

  • Average June

    70.2 °F

  • Highest 17 June, 2025

    91.9 °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

    54.2 °F

  • Average High 2020–2025

    61.8 °F
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