Summit Weather Forecast
- 16
- 27
Gradual Clearing
- 26
- 30
Chance Wintry Mix
- 12
- 39
Chance Wintry Mix
- 19
- 24
Mostly Cloudy
- 23
- 34
Partly Sunny
- 31
- 43
Partly Sunny
- 32
- 45
Chance Rain Showers
Today 4 Feb Central Cook
Cloudy. Scattered snow Showers in the late morning and early Afternoon, then scattered Flurries late. Highs in the upper 20s. Northwest Winds around 5 Mph. Chance of precipitation 30 percent.
Tonight 4 Feb Central Cook
Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 15. Southwest Winds around 5 Mph.
Summit Temperature Statistics
February Temperature
Chicago, Chicago Midway Airport (2.5 miles)
Lowest 1 February, 2026
12 °FAverage February
22.5 °FHighest 1 February, 2026
27 °F
Climate (2021–Present)
Chicago, Chicago Midway Airport (2.5 miles)
Average Low 2021–2026
46.6 °FAverage 2021–2026
54.2 °FAverage High 2021–2026
61.7 °F