Rosemont Weather Forecast

    • 70
    • 84

    Rain Showers

    • 70
    • 84

    Rain Showers Likely

    • 68
    • 83

    Rain Showers Likely

    • 66
    • 82

    Chance Thunderstorms

    • 63
    • 78

    Chance Rain Showers

    • 61
    • 74

    Chance Thunderstorms

Today 9 Aug Central Cook

Mostly cloudy. A chance of Showers and Thunderstorms in the late morning and afternoon. Humid with Highs in the mid 80s. South Winds 10 to 15 Mph. Chance of precipitation 50 percent.

Tonight 9 Aug Central Cook

Showers with Thunderstorms likely until early Morning, then a chance of Showers and Thunderstorms late. Humid with Lows in the lower 70s. Southwest Winds 10 to 15 Mph. Chance of precipitation 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosemont Temperature Statistics

August Temperature

Chicago, Chicago-O'Hare International Airport (1.2 miles)

  • Lowest 3 August, 2026

    62.7 °F

  • Average August

    74 °F

  • Highest 4 August, 2026

    86.6 °F

Climate (2021–2026)

Chicago, Chicago-O'Hare International Airport (1.2 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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