O'Hare Weather Forecast
- 38
- 53
Slight Chance Rain Showers
- 38
- 49
Chance Rain Showers
- 42
- 54
Chance Rain
- 39
- 58
Mostly Sunny
- 46
- 59
Partly Sunny
- 38
- 59
Mostly Sunny
- 43
- 54
Mostly Cloudy
Today 31 Oct Central Cook
Partly cloudy. A slight chance of Sprinkles late. Highs in the mid 50s. West Winds 5 to 10 Mph, increasing to 10 to 15 Mph in the afternoon.
Tonight 31 Oct Central Cook
Mostly cloudy in the Evening, then becoming partly cloudy. A slight chance of Showers. Lows in the upper 30s. West Winds 5 to 10 Mph. Chance of precipitation 20 percent.
O'Hare Temperature Statistics
October Temperature
Chicago, Chicago-O'Hare International Airport (3.1 miles)
Lowest 24 October, 2025
35.1 °FAverage October
58.9 °FHighest 3 October, 2025
88 °F
Climate (2020–Present)
Chicago, Chicago-O'Hare International Airport (3.1 miles)
Average Low 2020–2025
45.5 °FAverage 2020–2025
53.6 °FAverage High 2020–2025
61.8 °F