Glen Ellyn Weather Forecast

    • 33
    • 43

    Increasing Clouds

    • 27
    • 49

    Mostly Cloudy

    • 14
    • 29

    Chance Snow Showers

    • 21
    • 26

    Snow Likely

    • 16
    • 33

    Snow Likely

    • 6
    • 20

    Chance Snow

    • 7
    • 17

    Mostly Cloudy

Today 12 Jan DuPage

Mostly sunny. Highs in the lower 40s. Southwest Winds 10 to 15 Mph.

Tonight 12 Jan DuPage

Partly cloudy in the Evening, then becoming mostly cloudy. Near steady temperature in the mid 30s. Southwest Winds 10 to 15 Mph.

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Glen Ellyn Temperature Statistics

January Temperature

Chicago / West Chicago, Dupage Airport (9.9 miles)

  • Lowest 1 January, 2026

    9 °F

  • Average January

    31.8 °F

  • Highest 8 January, 2026

    59 °F

Climate (2021–Present)

Chicago / West Chicago, Dupage Airport (9.9 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    61.4 °F
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