Summit Weather Forecast
- 61
- 70
Rain Showers
- 38
- 65
Chance Rain Showers
- 48
- 61
Mostly Sunny
- 45
- 69
Mostly Sunny
- 41
- 62
Rain Showers
- 32
- 51
Chance Rain Showers
Today 6 Mar Central Cook
Widespread dense fog early in the morning. Patchy fog in the late morning and early afternoon. Thunderstorms likely in the morning. Showers. A chance of Thunderstorms in the afternoon. Breezy. Highs around 70. Southeast Winds 10 to 15 Mph, becoming south with Gusts up to 30 Mph in the afternoon. Chance of precipitation 90 percent.
Tonight 6 Mar Central Cook
A chance of Showers in the evening. A chance of Thunderstorms. Showers after midnight. Breezy with Lows around 60. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent.
Summit Temperature Statistics
March Temperature
Chicago, Chicago Midway Airport (2.5 miles)
Lowest 1 March, 2026
26.1 °FAverage March
34.8 °FHighest 3 March, 2026
42.1 °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