Summit Weather Forecast
- 36
- 62
Slight Chance Rain Showers
- 47
- 61
Mostly Sunny
- 45
- 69
Mostly Sunny
- 40
- 61
Rain Showers
- 30
- 47
Chance Rain/Snow
- 36
- 45
Chance Rain/Snow
Today 7 Mar Central Cook
Cloudy. A slight chance of Showers late in the morning. A slight chance of drizzle early in the afternoon. Breezy. Highs in the lower 60s. Temperature falling into the upper 40s in the afternoon. West Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 20 percent.
Tonight 7 Mar Central Cook
Mostly cloudy in the Evening, then clearing. Lows in the mid 30s. West Winds 10 to 15 Mph.
Summit Temperature Statistics
March Temperature
Chicago, Chicago Midway Airport (2.5 miles)
Lowest 1 March, 2026
26.1 °FAverage March
36.6 °FHighest 5 March, 2026
50 °F
Climate (2021–Present)
Chicago, Chicago Midway Airport (2.5 miles)
Average Low 2021–2026
46.8 °FAverage 2021–2026
54.4 °FAverage High 2021–2026
62 °F