Roselle Weather Forecast

    • 58
    • 79

    Slight Chance Thunderstorms

    • 56
    • 75

    Becoming Sunny

    • 60
    • 78

    Partly Sunny

    • 64
    • 81

    Slight Chance Thunderstorms

    • 65
    • 83

    Chance Thunderstorms

    • 64
    • 82

    Slight Chance Thunderstorms

    • 64
    • 81

    Partly Sunny

Today 22 Aug DuPage

Mostly sunny. A slight chance of Showers and Thunderstorms. Temperatures in the upper 70s. Northwest Winds 10 to 15 Mph. Chance of precipitation 20 percent.

Tonight 22 Aug DuPage

Clear. Lows in the upper 50s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Roselle Temperature Statistics

August Temperature

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

  • Lowest 20 August, 2026

    62.1 °F

  • Average August

    75.4 °F

  • Highest 7 August, 2026

    87.7 °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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