Magnificent Mile Weather Forecast

    • 65
    • 76

    Mostly Sunny

    • 66
    • 77

    Mostly Sunny

    • 65
    • 75

    Partly Sunny

    • 66
    • 75

    Chance Rain Showers

    • 66
    • 80

    Chance Thunderstorms

    • 66
    • 80

    Chance Rain Showers

Today 17 Sep Central Cook

Mostly sunny. Highs in the lower to mid 80s Inland, but only in the upper 70s near the lake. Northeast Winds 5 to 10 Mph.

Tonight 17 Sep Central Cook

Mostly clear. Lows in the lower 60s in the Suburbs to the mid 60s Downtown. East Winds around 5 Mph, becoming southeast after midnight.

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Magnificent Mile Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (9.9 miles)

  • Lowest 7 September, 2025

    48.9 °F

  • Average September

    68.1 °F

  • Highest 12 September, 2025

    84.9 °F

Climate (2020–Present)

Chicago, Chicago Midway Airport (9.9 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    61.8 °F
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