Chicago Lawn Weather Forecast

    • 65
    • 78

    Increasing Clouds

    • 72
    • 86

    Rain Showers Likely

    • 66
    • 86

    Rain Showers Likely

    • 62
    • 79

    Mostly Sunny

    • 65
    • 81

    Chance Rain Showers

    • 67
    • 85

    Chance Rain Showers

Today 7 Sep Central Cook

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the upper 70s. East Winds 5 to 10 Mph.

Tonight 7 Sep Central Cook

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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Chicago Lawn Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (2.5 miles)

  • Lowest 1 September, 2026

    78.1 °F

  • Average September

    85.2 °F

  • Highest 2 September, 2026

    96.1 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (2.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.9 °F
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