Naperville Weather Forecast

    • 6
    • 25

    Decreasing Clouds

    • 18
    • 26

    Chance Snow

    • 17
    • 30

    Mostly Cloudy

    • 13
    • 28

    Mostly Cloudy

    • 11
    • 27

    Partly Sunny

    • 24
    • 29

    Chance Snow

Today 31 Jan DuPage

Mostly cloudy. Scattered snow Showers early in the Morning, then isolated snow Showers in the late morning and early afternoon. Little or no snow accumulation. Highs in the mid 20s. North Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph in the afternoon. Chance of precipitation 40 percent.

Tonight 31 Jan DuPage

Partly cloudy. Lows around 7 above. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Naperville Temperature Statistics

January Temperature

Chicago / West Chicago, Dupage Airport (9.3 miles)

  • Lowest 23 January, 2026

    -11.3 °F

  • Average January

    21.7 °F

  • Highest 8 January, 2026

    60.7 °F

Climate (2021–Present)

Chicago / West Chicago, Dupage Airport (9.3 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.3 °F
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