Roselle Weather Forecast

    • 74
    • 94

    Chance Thunderstorms

    • 67
    • 85

    Partly Sunny

    • 64
    • 81

    Partly Sunny

    • 65
    • 82

    Partly Sunny

    • 71
    • 86

    Partly Sunny

    • 69
    • 88

    Chance Rain Showers

Today 4 Sep DuPage

Partly cloudy in the Morning, then becoming mostly sunny. A slight chance of Showers and Thunderstorms late in the morning. Hot, humid. Highs in the mid 90s. Southwest Winds around 5 Mph, increasing to around 10 Mph in the afternoon. Chance of precipitation 20 percent. Heat index Values up to 105.

Tonight 4 Sep DuPage

Partly cloudy. A slight chance of Showers and Thunderstorms late in the evening. A chance of Showers and Thunderstorms after Midnight, then a slight chance of Showers and Thunderstorms late. Humid with Lows in the lower 70s. West Winds around 5 Mph. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roselle Temperature Statistics

September Temperature

Chicago, Chicago-O'Hare International Airport (8.7 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 (8.7 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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