Summit Weather Forecast

    • 30
    • 39

    Chance Rain/Snow

    • 39
    • 47

    Chance Rain Showers

    • 30
    • 48

    Windy

    • 34
    • 42

    Rain/Snow

    • 20
    • 51

    Rain

    • 12
    • 27

    Partly Sunny

    • 23
    • 30

    Mostly Cloudy

Today 11 Mar Central Cook

Cloudy. A chance of rain and snow. Blustery. Temperatures in the mid 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 50 percent.

Tonight 11 Mar Central Cook

Mostly cloudy in the evening then clearing. A slight chance of rain and snow early in the evening. Blustery. Lows in the lower 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Temperature Statistics

March Temperature

Chicago, Chicago Midway Airport (2.5 miles)

  • Lowest 1 March, 2026

    26.1 °F

  • Average March

    44.3 °F

  • Highest 6 March, 2026

    73 °F

Climate (2021–Present)

Chicago, Chicago Midway Airport (2.5 miles)

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

  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    62 °F
Get WillyWeather+ to remove ads