Chicago Weather Forecast

    • 70
    • 88

    Chance Thunderstorms

    • 71
    • 77

    Patchy Smoke

    • 74
    • 87

    Rain Showers Likely

    • 66
    • 85

    Mostly Sunny

    • 66
    • 74

    Mostly Sunny

    • 68
    • 79

    Partly Sunny

Today 18 Jul Central Cook

Partly cloudy in the Morning, then becoming mostly cloudy. A chance of Showers and Thunderstorms in the late morning and afternoon. Highs around 90. Temperature falling into the lower 80s in the afternoon. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming north in the afternoon. Chance of precipitation 50 percent. Heat index Values up to 100.

Tonight 18 Jul Central Cook

Mostly clear. Patchy smoke. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.

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Chicago Temperature Statistics

July Temperature

Chicago, Chicago Midway Airport (8.7 miles)

  • Lowest 5 July, 2026

    66.9 °F
  • Average July

    79.4 °F
  • Highest 14 July, 2026

    95 °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

    54.4 °F
  • Average High 2021–2026

    62 °F
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