Summit Weather Forecast
- 47
- 54
Rain Showers Likely
- 57
- 75
Chance Rain Showers
- 49
- 66
Rain Showers Likely
- 34
- 59
Rain Showers Likely
- 30
- 41
Mostly Cloudy
- 37
- 45
Mostly Cloudy
Today 27 Mar Central Cook
Mostly cloudy. A chance of Showers in the Morning, then a slight chance of Showers early to mid afternoon. Highs in the mid 50s. South Winds 5 to 10 Mph. Chance of precipitation 50 percent.
Tonight 27 Mar Central Cook
Mostly cloudy. A slight chance of Showers late in the evening. A chance of Showers after Midnight, then Showers likely with a slight chance of Thunderstorms late. Nearly steady Temperatures in the upper 40s. Southeast Winds 5 to 10 Mph. Chance of precipitation 70 percent.
Summit Temperature Statistics
March Temperature
Chicago, Chicago Midway Airport (2.5 miles)
Lowest 2 March, 2025
19 °FAverage March
43.8 °FHighest 14 March, 2025
80.1 °F
Climate (2020–Present)
Chicago, Chicago Midway Airport (2.5 miles)
Average Low 2020–2025
46.6 °FAverage 2020–2025
54.1 °FAverage High 2020–2025
61.8 °F