Wilmette Weather Forecast

    • 8
    • 30

    Increasing Clouds

    • 1
    • 13

    Chance Snow

    • 5
    • 13

    Partly Sunny

    • 18
    • 23

    Mostly Cloudy

    • 33
    • 37

    Mostly Cloudy

    • 37
    • 44

    Chance Rain

Today 12 Dec Northern Cook

Mostly cloudy. Highs in the upper 20s. West Winds 5 to 10 Mph.

Tonight 12 Dec Northern Cook

Mostly cloudy. A slight chance of Flurries early in the evening. Lows around 5 above. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 9 below after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Wilmette Temperature Statistics

December Temperature

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

  • Lowest 4 December, 2025

    6.1 °F

  • Average December

    23.9 °F

  • Highest 10 December, 2025

    39 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

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

  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    61.5 °F
Get WillyWeather+ to remove ads