Flowerfield Weather Forecast

    • 71
    • 92

    Chance Thunderstorms

    • 67
    • 85

    Slight Chance Thunderstorms

    • 64
    • 81

    Partly Sunny

    • 65
    • 82

    Partly Sunny

    • 71
    • 86

    Chance Rain Showers

    • 70
    • 88

    Chance Rain Showers

Today 4 Sep DuPage

Partly cloudy. A chance of Showers and Thunderstorms early in the Morning, then a slight chance of Showers and Thunderstorms late in the morning. Humid with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of precipitation 30 percent. Heat index Values up to 100.

Tonight 4 Sep DuPage

Mostly clear in the Evening, then becoming partly cloudy. A chance of Thunderstorms until early morning. A chance of Showers. A slight chance of Thunderstorms late. Humid with Lows in the lower 70s. South Winds around 5 Mph, becoming northeast after midnight. Chance of precipitation 50 percent.

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Flowerfield Temperature Statistics

September Temperature

Chicago, Chicago-O'Hare International Airport (9.9 miles)

  • Lowest 1 September, 2026

    77 °F

  • Average September

    84.9 °F

  • Highest 1 September, 2026

    93.9 °F

Climate (2021–2026)

Chicago, Chicago-O'Hare International Airport (9.9 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61.9 °F
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