Downers Grove Weather Forecast

    • 52
    • 73

    Mostly Cloudy

    • 50
    • 63

    Mostly Cloudy

    • 56
    • 68

    Mostly Cloudy

    • 58
    • 71

    Partly Sunny

    • 57
    • 75

    Chance Rain Showers

    • 58
    • 74

    Chance Rain Showers

    • 57
    • 71

    Chance Rain Showers

Today 25 Oct DuPage

Mostly cloudy with a 40 percent chance of Showers. Highs in the upper 60s.

Tonight 25 Oct DuPage

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog late. Lows in the lower 50s. South Winds around 5 Mph, becoming west after midnight.

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  • Temperature Real-Time

Downers Grove Temperature Statistics

October Temperature

Chicago, Chicago-O'Hare International Airport (13 miles)

  • Lowest 17 October, 2026

    39.7 °F

  • Average October

    61.8 °F

  • Highest 12 October, 2026

    88.6 °F

Climate (2021–2026)

Chicago, Chicago-O'Hare International Airport (13 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61.9 °F
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