Chicago Weather Forecast

    • 66
    • 77

    Chance Thunderstorms

    • 70
    • 74

    Chance Thunderstorms

    • 70
    • 90

    Chance Thunderstorms

    • 58
    • 74

    Slight Chance Thunderstorms

    • 57
    • 66

    Partly Sunny

    • 59
    • 70

    Partly Sunny

Today 18 Sep Cook

Partly sunny. A 30 percent chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s inland. But only in the upper 70s near the lake. North Winds 5 to 10 Mph.

Tonight 18 Sep Cook

Partly cloudy. A 30 percent chance of Showers and Thunderstorms after midnight. Lows low to mid 60s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

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Chicago Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (8.7 miles)

  • Lowest 12 September, 2018

    57 °F
  • Average September

    70 °F
  • Highest 1 September, 2018

    86 °F

Climate (2010–Present)

Chicago, Chicago Midway Airport (8.7 miles)

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  • Average Low 2010–Present

    45.7 °F
  • Average 2010–Present

    53.5 °F
  • Average High 2010–Present

    60.9 °F
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