Rosemont Weather Forecast

    • 30
    • 43

    Becoming Sunny

    • 31
    • 61

    Partly Sunny

    • 22
    • 36

    Chance Snow

    • 22
    • 31

    Chance Snow

    • 26
    • 36

    Partly Sunny

    • 30
    • 41

    Chance Rain

    • 37
    • 48

    Rain Likely

Today 26 Feb Central Cook

Mostly cloudy early in the Morning, then becoming partly cloudy. Highs in the lower 40s. South Winds 5 to 10 Mph, becoming southwest in the afternoon.

Tonight 26 Feb Central Cook

Mostly clear. Lows around 30. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rosemont Temperature Statistics

February Temperature

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

  • Lowest 1 February, 2026

    7.6 °F

  • Average February

    32.9 °F

  • Highest 16 February, 2026

    65.6 °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

    61.8 °F
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