Glen Ellyn Weather Forecast

    • 61
    • 79

    Partly Sunny

    • 69
    • 82

    Partly Sunny

    • 74
    • 90

    Chance Rain Showers

    • 73
    • 91

    Chance Thunderstorms

    • 68
    • 88

    Partly Sunny

    • 68
    • 87

    Mostly Sunny

Today 24 Jul DuPage

Mostly cloudy. Temperatures in the upper 70s. South Winds around 5 Mph.

Tonight 24 Jul DuPage

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds around 5 Mph.

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Glen Ellyn Temperature Statistics

July Temperature

Chicago / West Chicago, Dupage Airport (9.9 miles)

  • Lowest 22 July, 2026

    57 °F
  • Average July

    76.5 °F
  • Highest 2 July, 2026

    93.7 °F

Climate (2021–2026)

Chicago / West Chicago, Dupage Airport (9.9 miles)

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  • Average Low 2021–2026

    42.1 °F
  • Average 2021–2026

    52 °F
  • Average High 2021–2026

    61.7 °F
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