Winnetka Weather Forecast
- -1
- 10
Slight Chance Snow
- 6
- 12
Partly Sunny
- 18
- 26
Mostly Cloudy
- 31
- 37
Mostly Cloudy
- 36
- 44
Mostly Cloudy
- 22
- 44
Partly Sunny
Today 13 Dec Northern Cook
Cloudy. A slight chance of snow late in the morning. A chance of snow early in the Afternoon, then a slight chance of snow late. Snow accumulation around half an inch. Very cold with Highs around 9 above. Northwest Winds 10 to 15 Mph. Chance of precipitation 40 percent. Wind chill Values as low as 12 below in the morning.
Tonight 13 Dec Northern Cook
Partly cloudy in the Evening, then becoming mostly clear. Bitterly cold with Lows around 3 below. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 25 below.
Winnetka Temperature Statistics
December Temperature
Chicago / Wheeling, Pal-Waukee Airport (8.7 miles)
Lowest 4 December, 2025
6.1 °FAverage December
23.9 °FHighest 10 December, 2025
39 °F
Climate (2020–Present)
Chicago / Wheeling, Pal-Waukee Airport (8.7 miles)
Average Low 2020–2025
44.2 °FAverage 2020–2025
52.9 °FAverage High 2020–2025
61.5 °F