Oak Lawn Weather Forecast

    • 51
    • 74

    Mostly Sunny

    • 58
    • 77

    Mostly Cloudy

    • 62
    • 81

    Partly Sunny

    • 62
    • 81

    Mostly Sunny

    • 65
    • 86

    Partly Sunny

    • 66
    • 87

    Partly Sunny

Today 8 Sep Central Cook

Sunny. Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 8 Sep Central Cook

Clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Lawn Temperature Statistics

September Temperature

Chicago, Chicago Midway Airport (5 miles)

  • Lowest 4 September, 2025

    50 °F

  • Average September

    64.9 °F

  • Highest 2 September, 2025

    79 °F

Climate (2020–Present)

Chicago, Chicago Midway Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    61.8 °F
Get WillyWeather+ to remove ads