Chicago Weather Forecast

    • 57
    • 66

    Increasing Clouds

    • 57
    • 67

    Partly Sunny

    • 57
    • 69

    Mostly Sunny

    • 63
    • 72

    Mostly Cloudy

    • 63
    • 69

    Rain Showers Likely

    • 61
    • 69

    Chance Rain Showers

Today 26 Sep Central Cook

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the upper 60s. East Winds 5 to 10 Mph.

Tonight 26 Sep Central Cook

Mostly cloudy. Lows in the lower 50s. Northeast Winds around 5 Mph.

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Chicago Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (8.7 miles)

  • Lowest 14 September, 2026

    53.1 °F

  • Average September

    72.4 °F

  • Highest 2 September, 2026

    96.1 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (8.7 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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