Rosemont Weather Forecast

    • 63
    • 75

    Mostly Cloudy

    • 74
    • 83

    Increasing Clouds

    • 78
    • 94

    Partly Sunny

    • 79
    • 95

    Mostly Sunny

    • 79
    • 97

    Hot

    • 77
    • 96

    Slight Chance Thunderstorms

    • 73
    • 93

    Chance Thunderstorms

Today 27 Jun Central Cook

Partly cloudy. Highs in the mid 70s Inland, but only in the upper 60s near the lake. Northeast Winds around 10 Mph.

Tonight 27 Jun Central Cook

Mostly cloudy. Near steady temperature in the mid 60s. Northeast Winds 5 to 10 Mph.

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Rosemont Temperature Statistics

June Temperature

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

  • Lowest 2 June, 2026

    50.6 °F

  • Average June

    70.2 °F

  • Highest 10 June, 2026

    91.7 °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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