South Chicago Heights Weather Forecast

    • 55
    • 75

    Rain Showers

    • 59
    • 81

    Mostly Sunny

    • 62
    • 84

    Chance Rain Showers

    • 60
    • 81

    Chance Thunderstorms

    • 57
    • 79

    Partly Sunny

    • 55
    • 75

    Partly Sunny

Today 24 May Southern Cook

Mostly cloudy early in the afternoon then clearing. Highs in the mid 70s. North Winds around 5 Mph.

Tonight 24 May Southern Cook

Clear. Lows in the upper 50s. Southeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Chicago Heights Temperature Statistics

May Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 2 May, 2026

    28.6 °F

  • Average May

    56 °F

  • Highest 17 May, 2026

    85.5 °F

Climate (2021–Present)

Lansing Municipal Airport (6.8 miles)

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

  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.5 °F
Get WillyWeather+ to remove ads