Naperville Weather Forecast

    • 69
    • 80

    Rain Showers

    • 72
    • 83

    Rain Showers

    • 66
    • 84

    Rain Showers Likely

    • 61
    • 80

    Partly Sunny

    • 65
    • 79

    Mostly Cloudy

    • 64
    • 81

    Chance Thunderstorms

Today 14 Aug DuPage

Mostly cloudy. A slight chance of Showers and Thunderstorms until late afternoon. Highs around 80. East Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 14 Aug DuPage

Mostly cloudy. A chance of Showers in the evening. A chance of Thunderstorms. Showers after midnight. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph, becoming southeast after midnight. Chance of precipitation 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Naperville Temperature Statistics

August Temperature

Chicago / West Chicago, Dupage Airport (9.3 miles)

  • Lowest 3 August, 2026

    59.6 °F

  • Average August

    73.6 °F

  • Highest 10 August, 2026

    87.7 °F

Climate (2021–2026)

Chicago / West Chicago, Dupage Airport (9.3 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    61.7 °F
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