Hanover Park Weather Forecast

    • 71
    • 80

    Rain Showers Likely

    • 66
    • 85

    Chance Thunderstorms

    • 63
    • 81

    Partly Sunny

    • 67
    • 81

    Rain Showers Likely

    • 59
    • 78

    Slight Chance Thunderstorms

    • 58
    • 74

    Partly Sunny

Today 15 Aug Northern Cook

Showers likely early in the Afternoon, then a slight chance of Showers and Thunderstorms late. Near steady temperature in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of precipitation 70 percent.

Tonight 15 Aug Northern Cook

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of precipitation 60 percent.

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Hanover Park Temperature Statistics

August Temperature

Chicago / West Chicago, Dupage Airport (8.7 miles)

  • Lowest 3 August, 2026

    59.6 °F

  • Average August

    73.5 °F

  • Highest 10 August, 2026

    87.7 °F

Climate (2021–2026)

Chicago / West Chicago, Dupage Airport (8.7 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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