Portage Park Weather Forecast

    • 67
    • 82

    Thunderstorms Likely

    • 67
    • 79

    Chance Thunderstorms

    • 65
    • 79

    Partly Sunny

    • 67
    • 84

    Partly Sunny

    • 71
    • 88

    Partly Sunny

    • 70
    • 89

    Chance Thunderstorms

Today 4 Jul Central Cook

Partly cloudy in the Morning, then becoming mostly cloudy. Scattered Showers and Thunderstorms. Humid with Highs in the upper 80s Inland, but only in the mid 80s near the lake. South Winds 5 to 10 Mph. Chance of precipitation 50 percent.

Tonight 4 Jul Central Cook

Mostly cloudy. Scattered Showers and Thunderstorms. Humid with Lows in the lower 70s. West Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portage Park Temperature Statistics

July Temperature

Chicago, Chicago-O'Hare International Airport (7.5 miles)

  • Lowest 1 July, 2026

    80.1 °F

  • Average July

    86.7 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

Chicago, Chicago-O'Hare International Airport (7.5 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61.9 °F
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