Chicago Weather Forecast

    • 64
    • 77

    Mostly Sunny

    • 67
    • 80

    Chance Thunderstorms

    • 65
    • 77

    Mostly Sunny

    • 63
    • 73

    Mostly Sunny

    • 64
    • 74

    Partly Sunny

    • 67
    • 78

    Chance Rain Showers

    • 68
    • 79

    Slight Chance Thunderstorms

Today 20 Aug Central Cook

Mostly sunny. Temperatures in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 20 Aug Central Cook

Partly cloudy. Lows in the lower 60s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Chicago Temperature Statistics

August Temperature

Chicago, Chicago Midway Airport (8.7 miles)

  • Lowest 3 August, 2026

    63 °F

  • Average August

    75.1 °F

  • Highest 10 August, 2026

    87.1 °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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