Wheaton Weather Forecast

    • 40
    • 62

    Sunny

    • 44
    • 67

    Partly Sunny

    • 47
    • 68

    Mostly Sunny

    • 49
    • 70

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

Today 18 Oct DuPage

Sunny. Highs in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Oct DuPage

Clear. Lows around 40. South Winds 5 to 10 Mph.

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Wheaton Temperature Statistics

October Temperature

Chicago / West Chicago, Dupage Airport (7.5 miles)

  • Lowest 16 October, 2026

    42.1 °F

  • Average October

    62.1 °F

  • Highest 12 October, 2026

    87.7 °F

Climate (2021–2026)

Chicago / West Chicago, Dupage Airport (7.5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    61.6 °F
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