Rosemont Weather Forecast

    • 34
    • 45

    Drizzle

    • 37
    • 42

    Gradual Clearing

    • 41
    • 48

    Rain

    • 35
    • 44

    Rain/Snow Likely

    • 24
    • 40

    Chance Rain/Snow

    • 25
    • 32

    Partly Sunny

    • 30
    • 40

    Mostly Cloudy

Today 6 Jan Central Cook

Mostly cloudy. Patchy fog late in the morning. A slight chance of Showers late in the morning. Near steady temperature in the mid 40s. Northwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 6 Jan Central Cook

Cloudy. Patchy drizzle in the evening. Patchy fog early in the evening. Patchy fog after midnight. Lows in the mid 30s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosemont Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    10.9 °F

  • Average January

    21.8 °F

  • Highest 4 January, 2026

    34 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    61.6 °F
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