Hanover Park Weather Forecast

    • 60
    • 84

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

    • 62
    • 80

    Mostly Cloudy

    • 63
    • 80

    Slight Chance Thunderstorms

    • 62
    • 80

    Chance Thunderstorms

    • 62
    • 80

    Chance Rain Showers

Today 17 Sep Northern Cook

Mostly sunny. Patchy fog through mid morning. Highs in the mid 80s Inland, but only in the mid 70s near the lake. Northeast Winds around 5 Mph.

Tonight 17 Sep Northern Cook

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph, becoming south after midnight.

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Hanover Park Temperature Statistics

September Temperature

Chicago / West Chicago, Dupage Airport (8.7 miles)

  • Lowest 7 September, 2025

    44.1 °F

  • Average September

    64.6 °F

  • Highest 14 September, 2025

    84.9 °F

Climate (2020–Present)

Chicago / West Chicago, Dupage Airport (8.7 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.3 °F
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