Naperville Weather Forecast

    • 70
    • 87

    Partly Sunny

    • 76
    • 92

    Partly Sunny

    • 72
    • 95

    Thunderstorms Likely

    • 68
    • 84

    Thunderstorms Likely

    • 70
    • 87

    Chance Thunderstorms

    • 70
    • 92

    Mostly Sunny

    • 71
    • 92

    Slight Chance Thunderstorms

Today 22 Jul DuPage

Partly cloudy late in the Morning, then becoming mostly sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 22 Jul DuPage

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. South Winds 5 to 10 Mph.

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Naperville Temperature Statistics

July Temperature

Chicago / West Chicago, Dupage Airport (9.3 miles)

  • Lowest 18 July, 2025

    56.6 °F
  • Average July

    76.4 °F
  • Highest 5 July, 2025

    93.7 °F

Climate (2020–Present)

Chicago / West Chicago, Dupage Airport (9.3 miles)

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  • Average Low 2020–2025

    42 °F
  • Average 2020–2025

    51.7 °F
  • Average High 2020–2025

    61.2 °F
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