Rosemont Weather Forecast

    • 23
    • 26

    Snow

    • 18
    • 37

    Snow Showers Likely

    • 10
    • 20

    Chance Snow

    • 5
    • 20

    Slight Chance Snow

    • 1
    • 11

    Chance Snow

    • 11
    • 15

    Mostly Cloudy

Today 15 Jan Central Cook

Partly cloudy. Isolated Flurries late in the morning. A chance of Flurries late. Highs in the mid 20s. Northwest Winds around 10 Mph, becoming west in the afternoon.

Tonight 15 Jan Central Cook

Snow. Snow accumulation around an inch. Blustery with Lows in the lower 20s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 80 percent.

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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

    33.5 °F

  • Highest 8 January, 2026

    60.1 °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

    53.5 °F

  • Average High 2021–2026

    61.7 °F
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